2008190925

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{4373}}^1$

素因数の和:4559

約数の個数: 72

約数和(自身を含む): 3899141064

約数和(自身を除く): 1890950139

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 157, 195, 225, 325, 471, 585, 785, 975, 1413, 2041, 2355, 2925, 3925, 4373, 6123, 7065, 10205, 11775, 13119, 18369, 21865, 30615, 35325, 39357, 51025, 56849, 65595, 91845, 109325, 153075, 170547, 196785, 284245, 327975, 459225, 511641, 686561, 852735, 983925, 1421225, 2059683, 2558205, 3432805, 4263675, 6179049, 8925293, 10298415, 12791025, 17164025, 26775879, 30895245, 44626465, 51492075, 80327637, 133879395, 154476225, 223132325, 401638185, 669396975, 2008190925]

約数ペア:

[(1, 2008190925), (3, 669396975), (5, 401638185), (9, 223132325), (13, 154476225), (15, 133879395), (25, 80327637), (39, 51492075), (45, 44626465), (65, 30895245), (75, 26775879), (117, 17164025), (157, 12791025), (195, 10298415), (225, 8925293), (325, 6179049), (471, 4263675), (585, 3432805), (785, 2558205), (975, 2059683), (1413, 1421225), (2041, 983925), (2355, 852735), (2925, 686561), (3925, 511641), (4373, 459225), (6123, 327975), (7065, 284245), (10205, 196785), (11775, 170547), (13119, 153075), (18369, 109325), (21865, 91845), (30615, 65595), (35325, 56849), (39357, 51025)]