39979240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:299

約数の個数: 128

約数和(自身を含む): 112285440

約数和(自身を除く): 72306200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 37, 40, 56, 68, 70, 74, 85, 119, 136, 140, 148, 170, 185, 227, 238, 259, 280, 296, 340, 370, 454, 476, 518, 595, 629, 680, 740, 908, 952, 1036, 1135, 1190, 1258, 1295, 1480, 1589, 1816, 2072, 2270, 2380, 2516, 2590, 3145, 3178, 3859, 4403, 4540, 4760, 5032, 5180, 6290, 6356, 7718, 7945, 8399, 8806, 9080, 10360, 12580, 12712, 15436, 15890, 16798, 17612, 19295, 22015, 25160, 27013, 30872, 31780, 33596, 35224, 38590, 41995, 44030, 54026, 58793, 63560, 67192, 77180, 83990, 88060, 108052, 117586, 135065, 142783, 154360, 167980, 176120, 216104, 235172, 270130, 285566, 293965, 335960, 470344, 540260, 571132, 587930, 713915, 999481, 1080520, 1142264, 1175860, 1427830, 1998962, 2351720, 2855660, 3997924, 4997405, 5711320, 7995848, 9994810, 19989620, 39979240]

約数ペア:

[(1, 39979240), (2, 19989620), (4, 9994810), (5, 7995848), (7, 5711320), (8, 4997405), (10, 3997924), (14, 2855660), (17, 2351720), (20, 1998962), (28, 1427830), (34, 1175860), (35, 1142264), (37, 1080520), (40, 999481), (56, 713915), (68, 587930), (70, 571132), (74, 540260), (85, 470344), (119, 335960), (136, 293965), (140, 285566), (148, 270130), (170, 235172), (185, 216104), (227, 176120), (238, 167980), (259, 154360), (280, 142783), (296, 135065), (340, 117586), (370, 108052), (454, 88060), (476, 83990), (518, 77180), (595, 67192), (629, 63560), (680, 58793), (740, 54026), (908, 44030), (952, 41995), (1036, 38590), (1135, 35224), (1190, 33596), (1258, 31780), (1295, 30872), (1480, 27013), (1589, 25160), (1816, 22015), (2072, 19295), (2270, 17612), (2380, 16798), (2516, 15890), (2590, 15436), (3145, 12712), (3178, 12580), (3859, 10360), (4403, 9080), (4540, 8806), (4760, 8399), (5032, 7945), (5180, 7718), (6290, 6356)]