198390780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8287}}^1$

素因数の和:8328

約数の個数: 144

約数和(自身を含む): 724039680

約数和(自身を除く): 525648900

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1330, 1596, 1710, 1995, 2394, 2660, 3420, 3990, 4788, 5985, 7980, 8287, 11970, 16574, 23940, 24861, 33148, 41435, 49722, 58009, 74583, 82870, 99444, 116018, 124305, 149166, 157453, 165740, 174027, 232036, 248610, 290045, 298332, 314906, 348054, 372915, 472359, 497220, 522081, 580090, 629812, 696108, 745830, 787265, 870135, 944718, 1044162, 1102171, 1160180, 1417077, 1491660, 1574530, 1740270, 1889436, 2088324, 2204342, 2361795, 2610405, 2834154, 3149060, 3306513, 3480540, 4408684, 4723590, 5220810, 5510855, 5668308, 6613026, 7085385, 9447180, 9919539, 10441620, 11021710, 13226052, 14170770, 16532565, 19839078, 22043420, 28341540, 33065130, 39678156, 49597695, 66130260, 99195390, 198390780]

約数ペア:

[(1, 198390780), (2, 99195390), (3, 66130260), (4, 49597695), (5, 39678156), (6, 33065130), (7, 28341540), (9, 22043420), (10, 19839078), (12, 16532565), (14, 14170770), (15, 13226052), (18, 11021710), (19, 10441620), (20, 9919539), (21, 9447180), (28, 7085385), (30, 6613026), (35, 5668308), (36, 5510855), (38, 5220810), (42, 4723590), (45, 4408684), (57, 3480540), (60, 3306513), (63, 3149060), (70, 2834154), (76, 2610405), (84, 2361795), (90, 2204342), (95, 2088324), (105, 1889436), (114, 1740270), (126, 1574530), (133, 1491660), (140, 1417077), (171, 1160180), (180, 1102171), (190, 1044162), (210, 944718), (228, 870135), (252, 787265), (266, 745830), (285, 696108), (315, 629812), (342, 580090), (380, 522081), (399, 497220), (420, 472359), (532, 372915), (570, 348054), (630, 314906), (665, 298332), (684, 290045), (798, 248610), (855, 232036), (1140, 174027), (1197, 165740), (1260, 157453), (1330, 149166), (1596, 124305), (1710, 116018), (1995, 99444), (2394, 82870), (2660, 74583), (3420, 58009), (3990, 49722), (4788, 41435), (5985, 33148), (7980, 24861), (8287, 23940), (11970, 16574)]