238972690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1049}}^1$

素因数の和:1195

約数の個数: 64

約数和(自身を含む): 498960000

約数和(自身を除く): 259987310

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 109, 110, 190, 209, 218, 418, 545, 1045, 1049, 1090, 1199, 2071, 2090, 2098, 2398, 4142, 5245, 5995, 10355, 10490, 11539, 11990, 19931, 20710, 22781, 23078, 39862, 45562, 57695, 99655, 113905, 114341, 115390, 199310, 219241, 227810, 228682, 438482, 571705, 1096205, 1143410, 1257751, 2172479, 2192410, 2515502, 4344958, 6288755, 10862395, 12577510, 21724790, 23897269, 47794538, 119486345, 238972690]

約数ペア:

[(1, 238972690), (2, 119486345), (5, 47794538), (10, 23897269), (11, 21724790), (19, 12577510), (22, 10862395), (38, 6288755), (55, 4344958), (95, 2515502), (109, 2192410), (110, 2172479), (190, 1257751), (209, 1143410), (218, 1096205), (418, 571705), (545, 438482), (1045, 228682), (1049, 227810), (1090, 219241), (1199, 199310), (2071, 115390), (2090, 114341), (2098, 113905), (2398, 99655), (4142, 57695), (5245, 45562), (5995, 39862), (10355, 23078), (10490, 22781), (11539, 20710), (11990, 19931)]