1619432890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{379}}^1\times {\mathrm{523}}^1$

素因数の和:971

約数の個数: 64

約数和(自身を含む): 3154060800

約数和(自身を除く): 1534627910

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 379, 430, 523, 758, 817, 1046, 1634, 1895, 2615, 3790, 4085, 5230, 7201, 8170, 9937, 14402, 16297, 19874, 22489, 32594, 36005, 44978, 49685, 72010, 81485, 99370, 112445, 162970, 198217, 224890, 309643, 396434, 427291, 619286, 854582, 991085, 1548215, 1982170, 2136455, 3096430, 3766123, 4272910, 7532246, 8523331, 17046662, 18830615, 37661230, 42616655, 85233310, 161943289, 323886578, 809716445, 1619432890]

約数ペア:

[(1, 1619432890), (2, 809716445), (5, 323886578), (10, 161943289), (19, 85233310), (38, 42616655), (43, 37661230), (86, 18830615), (95, 17046662), (190, 8523331), (215, 7532246), (379, 4272910), (430, 3766123), (523, 3096430), (758, 2136455), (817, 1982170), (1046, 1548215), (1634, 991085), (1895, 854582), (2615, 619286), (3790, 427291), (4085, 396434), (5230, 309643), (7201, 224890), (8170, 198217), (9937, 162970), (14402, 112445), (16297, 99370), (19874, 81485), (22489, 72010), (32594, 49685), (36005, 44978)]