1898996840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{1913}}^1$

素因数の和:2043

約数の個数: 128

約数和(自身を含む): 4861866240

約数和(自身を除く): 2962869400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 83, 92, 104, 115, 130, 166, 184, 230, 260, 299, 332, 415, 460, 520, 598, 664, 830, 920, 1079, 1196, 1495, 1660, 1909, 1913, 2158, 2392, 2990, 3320, 3818, 3826, 4316, 5395, 5980, 7636, 7652, 8632, 9545, 9565, 10790, 11960, 15272, 15304, 19090, 19130, 21580, 24817, 24869, 38180, 38260, 43160, 43999, 49634, 49738, 76360, 76520, 87998, 99268, 99476, 124085, 124345, 158779, 175996, 198536, 198952, 219995, 248170, 248690, 317558, 351992, 439990, 496340, 497380, 571987, 635116, 793895, 879980, 992680, 994760, 1143974, 1270232, 1587790, 1759960, 2064127, 2287948, 2859935, 3175580, 3651917, 4128254, 4575896, 5719870, 6351160, 7303834, 8256508, 10320635, 11439740, 14607668, 16513016, 18259585, 20641270, 22879480, 29215336, 36519170, 41282540, 47474921, 73038340, 82565080, 94949842, 146076680, 189899684, 237374605, 379799368, 474749210, 949498420, 1898996840]

約数ペア:

[(1, 1898996840), (2, 949498420), (4, 474749210), (5, 379799368), (8, 237374605), (10, 189899684), (13, 146076680), (20, 94949842), (23, 82565080), (26, 73038340), (40, 47474921), (46, 41282540), (52, 36519170), (65, 29215336), (83, 22879480), (92, 20641270), (104, 18259585), (115, 16513016), (130, 14607668), (166, 11439740), (184, 10320635), (230, 8256508), (260, 7303834), (299, 6351160), (332, 5719870), (415, 4575896), (460, 4128254), (520, 3651917), (598, 3175580), (664, 2859935), (830, 2287948), (920, 2064127), (1079, 1759960), (1196, 1587790), (1495, 1270232), (1660, 1143974), (1909, 994760), (1913, 992680), (2158, 879980), (2392, 793895), (2990, 635116), (3320, 571987), (3818, 497380), (3826, 496340), (4316, 439990), (5395, 351992), (5980, 317558), (7636, 248690), (7652, 248170), (8632, 219995), (9545, 198952), (9565, 198536), (10790, 175996), (11960, 158779), (15272, 124345), (15304, 124085), (19090, 99476), (19130, 99268), (21580, 87998), (24817, 76520), (24869, 76360), (38180, 49738), (38260, 49634), (43160, 43999)]