77636500

素因数分解:

$2^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:242

約数の個数: 96

約数和(自身を含む): 182198016

約数和(自身を除く): 104561516

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 43, 46, 50, 86, 92, 100, 115, 125, 157, 172, 215, 230, 250, 314, 430, 460, 500, 575, 628, 785, 860, 989, 1075, 1150, 1570, 1978, 2150, 2300, 2875, 3140, 3611, 3925, 3956, 4300, 4945, 5375, 5750, 6751, 7222, 7850, 9890, 10750, 11500, 13502, 14444, 15700, 18055, 19625, 19780, 21500, 24725, 27004, 33755, 36110, 39250, 49450, 67510, 72220, 78500, 90275, 98900, 123625, 135020, 155273, 168775, 180550, 247250, 310546, 337550, 361100, 451375, 494500, 621092, 675100, 776365, 843875, 902750, 1552730, 1687750, 1805500, 3105460, 3375500, 3881825, 7763650, 15527300, 19409125, 38818250, 77636500]

約数ペア:

[(1, 77636500), (2, 38818250), (4, 19409125), (5, 15527300), (10, 7763650), (20, 3881825), (23, 3375500), (25, 3105460), (43, 1805500), (46, 1687750), (50, 1552730), (86, 902750), (92, 843875), (100, 776365), (115, 675100), (125, 621092), (157, 494500), (172, 451375), (215, 361100), (230, 337550), (250, 310546), (314, 247250), (430, 180550), (460, 168775), (500, 155273), (575, 135020), (628, 123625), (785, 98900), (860, 90275), (989, 78500), (1075, 72220), (1150, 67510), (1570, 49450), (1978, 39250), (2150, 36110), (2300, 33755), (2875, 27004), (3140, 24725), (3611, 21500), (3925, 19780), (3956, 19625), (4300, 18055), (4945, 15700), (5375, 14444), (5750, 13502), (6751, 11500), (7222, 10750), (7850, 9890)]