641569490

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{283}}^1$

素因数の和:495

約数の個数: 64

約数和(自身を含む): 1224916992

約数和(自身を除く): 583347502

約数列:

[1, 2, 5, 10, 31, 62, 71, 103, 142, 155, 206, 283, 310, 355, 515, 566, 710, 1030, 1415, 2201, 2830, 3193, 4402, 6386, 7313, 8773, 11005, 14626, 15965, 17546, 20093, 22010, 29149, 31930, 36565, 40186, 43865, 58298, 73130, 87730, 100465, 145745, 200930, 226703, 291490, 453406, 622883, 903619, 1133515, 1245766, 1807238, 2069579, 2267030, 3114415, 4139158, 4518095, 6228830, 9036190, 10347895, 20695790, 64156949, 128313898, 320784745, 641569490]

約数ペア:

[(1, 641569490), (2, 320784745), (5, 128313898), (10, 64156949), (31, 20695790), (62, 10347895), (71, 9036190), (103, 6228830), (142, 4518095), (155, 4139158), (206, 3114415), (283, 2267030), (310, 2069579), (355, 1807238), (515, 1245766), (566, 1133515), (710, 903619), (1030, 622883), (1415, 453406), (2201, 291490), (2830, 226703), (3193, 200930), (4402, 145745), (6386, 100465), (7313, 87730), (8773, 73130), (11005, 58298), (14626, 43865), (15965, 40186), (17546, 36565), (20093, 31930), (22010, 29149)]