205249590

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1319}}^1$

素因数の和:1371

約数の個数: 192

約数和(自身を含む): 691891200

約数和(自身を除く): 486641610

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 19, 21, 26, 30, 35, 38, 39, 42, 45, 57, 63, 65, 70, 78, 90, 91, 95, 105, 114, 117, 126, 130, 133, 171, 182, 190, 195, 210, 234, 247, 266, 273, 285, 315, 342, 390, 399, 455, 494, 546, 570, 585, 630, 665, 741, 798, 819, 855, 910, 1170, 1197, 1235, 1319, 1330, 1365, 1482, 1638, 1710, 1729, 1995, 2223, 2394, 2470, 2638, 2730, 3458, 3705, 3957, 3990, 4095, 4446, 5187, 5985, 6595, 7410, 7914, 8190, 8645, 9233, 10374, 11115, 11871, 11970, 13190, 15561, 17147, 17290, 18466, 19785, 22230, 23742, 25061, 25935, 27699, 31122, 34294, 39570, 46165, 50122, 51441, 51870, 55398, 59355, 75183, 77805, 83097, 85735, 92330, 102882, 118710, 120029, 125305, 138495, 150366, 154323, 155610, 166194, 171470, 175427, 225549, 240058, 250610, 257205, 276990, 308646, 325793, 350854, 360087, 375915, 415485, 451098, 514410, 526281, 600145, 651586, 720174, 751830, 771615, 830970, 877135, 977379, 1052562, 1080261, 1127745, 1200290, 1543230, 1578843, 1628965, 1754270, 1800435, 1954758, 2160522, 2255490, 2280551, 2631405, 2932137, 3157686, 3257930, 3600870, 4561102, 4886895, 5262810, 5401305, 5864274, 6841653, 7894215, 9773790, 10802610, 11402755, 13683306, 14660685, 15788430, 20524959, 22805510, 29321370, 34208265, 41049918, 68416530, 102624795, 205249590]

約数ペア:

[(1, 205249590), (2, 102624795), (3, 68416530), (5, 41049918), (6, 34208265), (7, 29321370), (9, 22805510), (10, 20524959), (13, 15788430), (14, 14660685), (15, 13683306), (18, 11402755), (19, 10802610), (21, 9773790), (26, 7894215), (30, 6841653), (35, 5864274), (38, 5401305), (39, 5262810), (42, 4886895), (45, 4561102), (57, 3600870), (63, 3257930), (65, 3157686), (70, 2932137), (78, 2631405), (90, 2280551), (91, 2255490), (95, 2160522), (105, 1954758), (114, 1800435), (117, 1754270), (126, 1628965), (130, 1578843), (133, 1543230), (171, 1200290), (182, 1127745), (190, 1080261), (195, 1052562), (210, 977379), (234, 877135), (247, 830970), (266, 771615), (273, 751830), (285, 720174), (315, 651586), (342, 600145), (390, 526281), (399, 514410), (455, 451098), (494, 415485), (546, 375915), (570, 360087), (585, 350854), (630, 325793), (665, 308646), (741, 276990), (798, 257205), (819, 250610), (855, 240058), (910, 225549), (1170, 175427), (1197, 171470), (1235, 166194), (1319, 155610), (1330, 154323), (1365, 150366), (1482, 138495), (1638, 125305), (1710, 120029), (1729, 118710), (1995, 102882), (2223, 92330), (2394, 85735), (2470, 83097), (2638, 77805), (2730, 75183), (3458, 59355), (3705, 55398), (3957, 51870), (3990, 51441), (4095, 50122), (4446, 46165), (5187, 39570), (5985, 34294), (6595, 31122), (7410, 27699), (7914, 25935), (8190, 25061), (8645, 23742), (9233, 22230), (10374, 19785), (11115, 18466), (11871, 17290), (11970, 17147), (13190, 15561)]