71211340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{347}}^1$

素因数の和:718

約数の個数: 48

約数和(自身を含む): 155280384

約数和(自身を除く): 84069044

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 331, 347, 620, 662, 694, 1324, 1388, 1655, 1735, 3310, 3470, 6620, 6940, 10261, 10757, 20522, 21514, 41044, 43028, 51305, 53785, 102610, 107570, 114857, 205220, 215140, 229714, 459428, 574285, 1148570, 2297140, 3560567, 7121134, 14242268, 17802835, 35605670, 71211340]

約数ペア:

[(1, 71211340), (2, 35605670), (4, 17802835), (5, 14242268), (10, 7121134), (20, 3560567), (31, 2297140), (62, 1148570), (124, 574285), (155, 459428), (310, 229714), (331, 215140), (347, 205220), (620, 114857), (662, 107570), (694, 102610), (1324, 53785), (1388, 51305), (1655, 43028), (1735, 41044), (3310, 21514), (3470, 20522), (6620, 10757), (6940, 10261)]