157741780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{3037}}^1$

素因数の和:3113

約数の個数: 72

約数和(自身を含む): 392740488

約数和(自身を除く): 234998708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 53, 70, 98, 106, 140, 196, 212, 245, 265, 371, 490, 530, 742, 980, 1060, 1484, 1855, 2597, 3037, 3710, 5194, 6074, 7420, 10388, 12148, 12985, 15185, 21259, 25970, 30370, 42518, 51940, 60740, 85036, 106295, 148813, 160961, 212590, 297626, 321922, 425180, 595252, 643844, 744065, 804805, 1126727, 1488130, 1609610, 2253454, 2976260, 3219220, 4506908, 5633635, 7887089, 11267270, 15774178, 22534540, 31548356, 39435445, 78870890, 157741780]

約数ペア:

[(1, 157741780), (2, 78870890), (4, 39435445), (5, 31548356), (7, 22534540), (10, 15774178), (14, 11267270), (20, 7887089), (28, 5633635), (35, 4506908), (49, 3219220), (53, 2976260), (70, 2253454), (98, 1609610), (106, 1488130), (140, 1126727), (196, 804805), (212, 744065), (245, 643844), (265, 595252), (371, 425180), (490, 321922), (530, 297626), (742, 212590), (980, 160961), (1060, 148813), (1484, 106295), (1855, 85036), (2597, 60740), (3037, 51940), (3710, 42518), (5194, 30370), (6074, 25970), (7420, 21259), (10388, 15185), (12148, 12985)]