957156620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{220543}}^1$

素因数の和:220590

約数の個数: 48

約数和(自身を含む): 2371289088

約数和(自身を除く): 1414132468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 220543, 441086, 882172, 1102715, 1543801, 2205430, 3087602, 4410860, 6175204, 6836833, 7719005, 13673666, 15438010, 27347332, 30876020, 34184165, 47857831, 68368330, 95715662, 136736660, 191431324, 239289155, 478578310, 957156620]

約数ペア:

[(1, 957156620), (2, 478578310), (4, 239289155), (5, 191431324), (7, 136736660), (10, 95715662), (14, 68368330), (20, 47857831), (28, 34184165), (31, 30876020), (35, 27347332), (62, 15438010), (70, 13673666), (124, 7719005), (140, 6836833), (155, 6175204), (217, 4410860), (310, 3087602), (434, 2205430), (620, 1543801), (868, 1102715), (1085, 882172), (2170, 441086), (4340, 220543)]