236480840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{821}}^1$

素因数の和:1230

約数の個数: 64

約数和(自身を含む): 562248000

約数和(自身を除く): 325767160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 379, 380, 758, 760, 821, 1516, 1642, 1895, 3032, 3284, 3790, 4105, 6568, 7201, 7580, 8210, 14402, 15160, 15599, 16420, 28804, 31198, 32840, 36005, 57608, 62396, 72010, 77995, 124792, 144020, 155990, 288040, 311159, 311980, 622318, 623960, 1244636, 1555795, 2489272, 3111590, 5912021, 6223180, 11824042, 12446360, 23648084, 29560105, 47296168, 59120210, 118240420, 236480840]

約数ペア:

[(1, 236480840), (2, 118240420), (4, 59120210), (5, 47296168), (8, 29560105), (10, 23648084), (19, 12446360), (20, 11824042), (38, 6223180), (40, 5912021), (76, 3111590), (95, 2489272), (152, 1555795), (190, 1244636), (379, 623960), (380, 622318), (758, 311980), (760, 311159), (821, 288040), (1516, 155990), (1642, 144020), (1895, 124792), (3032, 77995), (3284, 72010), (3790, 62396), (4105, 57608), (6568, 36005), (7201, 32840), (7580, 31198), (8210, 28804), (14402, 16420), (15160, 15599)]