204531390

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2441}}^1$

素因数の和:2487

約数の個数: 144

約数和(自身を含む): 651427920

約数和(自身を除く): 446896530

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 30, 35, 38, 42, 45, 49, 57, 63, 70, 90, 95, 98, 105, 114, 126, 133, 147, 171, 190, 210, 245, 266, 285, 294, 315, 342, 399, 441, 490, 570, 630, 665, 735, 798, 855, 882, 931, 1197, 1330, 1470, 1710, 1862, 1995, 2205, 2394, 2441, 2793, 3990, 4410, 4655, 4882, 5586, 5985, 7323, 8379, 9310, 11970, 12205, 13965, 14646, 16758, 17087, 21969, 24410, 27930, 34174, 36615, 41895, 43938, 46379, 51261, 73230, 83790, 85435, 92758, 102522, 109845, 119609, 139137, 153783, 170870, 219690, 231895, 239218, 256305, 278274, 307566, 324653, 358827, 417411, 463790, 512610, 598045, 649306, 695685, 717654, 768915, 834822, 973959, 1076481, 1196090, 1391370, 1537830, 1623265, 1794135, 1947918, 2087055, 2152962, 2272571, 2921877, 3246530, 3588270, 4174110, 4545142, 4869795, 5382405, 5843754, 6817713, 9739590, 10764810, 11362855, 13635426, 14609385, 20453139, 22725710, 29218770, 34088565, 40906278, 68177130, 102265695, 204531390]

約数ペア:

[(1, 204531390), (2, 102265695), (3, 68177130), (5, 40906278), (6, 34088565), (7, 29218770), (9, 22725710), (10, 20453139), (14, 14609385), (15, 13635426), (18, 11362855), (19, 10764810), (21, 9739590), (30, 6817713), (35, 5843754), (38, 5382405), (42, 4869795), (45, 4545142), (49, 4174110), (57, 3588270), (63, 3246530), (70, 2921877), (90, 2272571), (95, 2152962), (98, 2087055), (105, 1947918), (114, 1794135), (126, 1623265), (133, 1537830), (147, 1391370), (171, 1196090), (190, 1076481), (210, 973959), (245, 834822), (266, 768915), (285, 717654), (294, 695685), (315, 649306), (342, 598045), (399, 512610), (441, 463790), (490, 417411), (570, 358827), (630, 324653), (665, 307566), (735, 278274), (798, 256305), (855, 239218), (882, 231895), (931, 219690), (1197, 170870), (1330, 153783), (1470, 139137), (1710, 119609), (1862, 109845), (1995, 102522), (2205, 92758), (2394, 85435), (2441, 83790), (2793, 73230), (3990, 51261), (4410, 46379), (4655, 43938), (4882, 41895), (5586, 36615), (5985, 34174), (7323, 27930), (8379, 24410), (9310, 21969), (11970, 17087), (12205, 16758), (13965, 14646)]