398005650

素因数分解:

$2^1\times 3^4\times 5^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:271

約数の個数: 240

約数和(自身を含む): 1285542720

約数和(自身を除く): 887537070

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 27, 30, 35, 42, 45, 50, 54, 63, 70, 75, 81, 90, 101, 105, 126, 135, 139, 150, 162, 175, 189, 202, 210, 225, 270, 278, 303, 315, 350, 378, 405, 417, 450, 505, 525, 567, 606, 630, 675, 695, 707, 810, 834, 909, 945, 973, 1010, 1050, 1134, 1251, 1350, 1390, 1414, 1515, 1575, 1818, 1890, 1946, 2025, 2085, 2121, 2502, 2525, 2727, 2835, 2919, 3030, 3150, 3475, 3535, 3753, 4050, 4170, 4242, 4545, 4725, 4865, 5050, 5454, 5670, 5838, 6255, 6363, 6950, 7070, 7506, 7575, 8181, 8757, 9090, 9450, 9730, 10425, 10605, 11259, 12510, 12726, 13635, 14039, 14175, 14595, 15150, 16362, 17514, 17675, 18765, 19089, 20850, 21210, 22518, 22725, 24325, 26271, 27270, 28078, 28350, 29190, 31275, 31815, 35350, 37530, 38178, 40905, 42117, 43785, 45450, 48650, 52542, 53025, 56295, 57267, 62550, 63630, 68175, 70195, 72975, 78813, 81810, 84234, 87570, 93825, 95445, 98273, 106050, 112590, 114534, 126351, 131355, 136350, 140390, 145950, 157626, 159075, 187650, 190890, 196546, 204525, 210585, 218925, 252702, 262710, 281475, 286335, 294819, 318150, 350975, 379053, 394065, 409050, 421170, 437850, 477225, 491365, 562950, 572670, 589638, 631755, 656775, 701950, 758106, 788130, 884457, 954450, 982730, 1052925, 1137159, 1263510, 1313550, 1431675, 1474095, 1768914, 1895265, 1970325, 2105850, 2274318, 2456825, 2653371, 2863350, 2948190, 3158775, 3790530, 3940650, 4422285, 4913650, 5306742, 5685795, 6317550, 7370475, 7960113, 8844570, 9476325, 11371590, 13266855, 14740950, 15920226, 18952650, 22111425, 26533710, 28428975, 39800565, 44222850, 56857950, 66334275, 79601130, 132668550, 199002825, 398005650]

約数ペア:

[(1, 398005650), (2, 199002825), (3, 132668550), (5, 79601130), (6, 66334275), (7, 56857950), (9, 44222850), (10, 39800565), (14, 28428975), (15, 26533710), (18, 22111425), (21, 18952650), (25, 15920226), (27, 14740950), (30, 13266855), (35, 11371590), (42, 9476325), (45, 8844570), (50, 7960113), (54, 7370475), (63, 6317550), (70, 5685795), (75, 5306742), (81, 4913650), (90, 4422285), (101, 3940650), (105, 3790530), (126, 3158775), (135, 2948190), (139, 2863350), (150, 2653371), (162, 2456825), (175, 2274318), (189, 2105850), (202, 1970325), (210, 1895265), (225, 1768914), (270, 1474095), (278, 1431675), (303, 1313550), (315, 1263510), (350, 1137159), (378, 1052925), (405, 982730), (417, 954450), (450, 884457), (505, 788130), (525, 758106), (567, 701950), (606, 656775), (630, 631755), (675, 589638), (695, 572670), (707, 562950), (810, 491365), (834, 477225), (909, 437850), (945, 421170), (973, 409050), (1010, 394065), (1050, 379053), (1134, 350975), (1251, 318150), (1350, 294819), (1390, 286335), (1414, 281475), (1515, 262710), (1575, 252702), (1818, 218925), (1890, 210585), (1946, 204525), (2025, 196546), (2085, 190890), (2121, 187650), (2502, 159075), (2525, 157626), (2727, 145950), (2835, 140390), (2919, 136350), (3030, 131355), (3150, 126351), (3475, 114534), (3535, 112590), (3753, 106050), (4050, 98273), (4170, 95445), (4242, 93825), (4545, 87570), (4725, 84234), (4865, 81810), (5050, 78813), (5454, 72975), (5670, 70195), (5838, 68175), (6255, 63630), (6363, 62550), (6950, 57267), (7070, 56295), (7506, 53025), (7575, 52542), (8181, 48650), (8757, 45450), (9090, 43785), (9450, 42117), (9730, 40905), (10425, 38178), (10605, 37530), (11259, 35350), (12510, 31815), (12726, 31275), (13635, 29190), (14039, 28350), (14175, 28078), (14595, 27270), (15150, 26271), (16362, 24325), (17514, 22725), (17675, 22518), (18765, 21210), (19089, 20850)]