31295810

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^3$

素因数の和:85

約数の個数: 96

約数和(自身を含む): 74980080

約数和(自身を除く): 43684270

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 26, 34, 35, 49, 65, 70, 85, 91, 98, 119, 130, 170, 182, 221, 238, 245, 289, 442, 455, 490, 578, 595, 637, 833, 910, 1105, 1190, 1274, 1445, 1547, 1666, 2023, 2210, 2890, 3094, 3185, 3757, 4046, 4165, 4913, 6370, 7514, 7735, 8330, 9826, 10115, 10829, 14161, 15470, 18785, 20230, 21658, 24565, 26299, 28322, 34391, 37570, 49130, 52598, 54145, 63869, 68782, 70805, 108290, 127738, 131495, 141610, 171955, 184093, 240737, 262990, 319345, 343910, 368186, 447083, 481474, 638690, 894166, 920465, 1203685, 1840930, 2235415, 2407370, 3129581, 4470830, 6259162, 15647905, 31295810]

約数ペア:

[(1, 31295810), (2, 15647905), (5, 6259162), (7, 4470830), (10, 3129581), (13, 2407370), (14, 2235415), (17, 1840930), (26, 1203685), (34, 920465), (35, 894166), (49, 638690), (65, 481474), (70, 447083), (85, 368186), (91, 343910), (98, 319345), (119, 262990), (130, 240737), (170, 184093), (182, 171955), (221, 141610), (238, 131495), (245, 127738), (289, 108290), (442, 70805), (455, 68782), (490, 63869), (578, 54145), (595, 52598), (637, 49130), (833, 37570), (910, 34391), (1105, 28322), (1190, 26299), (1274, 24565), (1445, 21658), (1547, 20230), (1666, 18785), (2023, 15470), (2210, 14161), (2890, 10829), (3094, 10115), (3185, 9826), (3757, 8330), (4046, 7735), (4165, 7514), (4913, 6370)]