70401560

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{443}}^1$

素因数の和:620

約数の個数: 64

約数和(自身を含む): 165434400

約数和(自身を除く): 95032840

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 137, 145, 232, 274, 290, 443, 548, 580, 685, 886, 1096, 1160, 1370, 1772, 2215, 2740, 3544, 3973, 4430, 5480, 7946, 8860, 12847, 15892, 17720, 19865, 25694, 31784, 39730, 51388, 60691, 64235, 79460, 102776, 121382, 128470, 158920, 242764, 256940, 303455, 485528, 513880, 606910, 1213820, 1760039, 2427640, 3520078, 7040156, 8800195, 14080312, 17600390, 35200780, 70401560]

約数ペア:

[(1, 70401560), (2, 35200780), (4, 17600390), (5, 14080312), (8, 8800195), (10, 7040156), (20, 3520078), (29, 2427640), (40, 1760039), (58, 1213820), (116, 606910), (137, 513880), (145, 485528), (232, 303455), (274, 256940), (290, 242764), (443, 158920), (548, 128470), (580, 121382), (685, 102776), (886, 79460), (1096, 64235), (1160, 60691), (1370, 51388), (1772, 39730), (2215, 31784), (2740, 25694), (3544, 19865), (3973, 17720), (4430, 15892), (5480, 12847), (7946, 8860)]