70918900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3209}}^1$

素因数の和:3253

約数の個数: 72

約数和(自身を含む): 175535640

約数和(自身を除く): 104616740

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 25, 26, 34, 50, 52, 65, 68, 85, 100, 130, 170, 221, 260, 325, 340, 425, 442, 650, 850, 884, 1105, 1300, 1700, 2210, 3209, 4420, 5525, 6418, 11050, 12836, 16045, 22100, 32090, 41717, 54553, 64180, 80225, 83434, 109106, 160450, 166868, 208585, 218212, 272765, 320900, 417170, 545530, 709189, 834340, 1042925, 1091060, 1363825, 1418378, 2085850, 2727650, 2836756, 3545945, 4171700, 5455300, 7091890, 14183780, 17729725, 35459450, 70918900]

約数ペア:

[(1, 70918900), (2, 35459450), (4, 17729725), (5, 14183780), (10, 7091890), (13, 5455300), (17, 4171700), (20, 3545945), (25, 2836756), (26, 2727650), (34, 2085850), (50, 1418378), (52, 1363825), (65, 1091060), (68, 1042925), (85, 834340), (100, 709189), (130, 545530), (170, 417170), (221, 320900), (260, 272765), (325, 218212), (340, 208585), (425, 166868), (442, 160450), (650, 109106), (850, 83434), (884, 80225), (1105, 64180), (1300, 54553), (1700, 41717), (2210, 32090), (3209, 22100), (4420, 16045), (5525, 12836), (6418, 11050)]