31557100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{977}}^1$

素因数の和:1027

約数の個数: 72

約数和(自身を含む): 76401360

約数和(自身を除く): 44844260

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 25, 34, 38, 50, 68, 76, 85, 95, 100, 170, 190, 323, 340, 380, 425, 475, 646, 850, 950, 977, 1292, 1615, 1700, 1900, 1954, 3230, 3908, 4885, 6460, 8075, 9770, 16150, 16609, 18563, 19540, 24425, 32300, 33218, 37126, 48850, 66436, 74252, 83045, 92815, 97700, 166090, 185630, 315571, 332180, 371260, 415225, 464075, 631142, 830450, 928150, 1262284, 1577855, 1660900, 1856300, 3155710, 6311420, 7889275, 15778550, 31557100]

約数ペア:

[(1, 31557100), (2, 15778550), (4, 7889275), (5, 6311420), (10, 3155710), (17, 1856300), (19, 1660900), (20, 1577855), (25, 1262284), (34, 928150), (38, 830450), (50, 631142), (68, 464075), (76, 415225), (85, 371260), (95, 332180), (100, 315571), (170, 185630), (190, 166090), (323, 97700), (340, 92815), (380, 83045), (425, 74252), (475, 66436), (646, 48850), (850, 37126), (950, 33218), (977, 32300), (1292, 24425), (1615, 19540), (1700, 18563), (1900, 16609), (1954, 16150), (3230, 9770), (3908, 8075), (4885, 6460)]