210555410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{4019}}^1$

素因数の和:4083

約数の個数: 48

約数和(自身を含む): 423740160

約数和(自身を除く): 213184750

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 169, 310, 338, 403, 806, 845, 1690, 2015, 4019, 4030, 5239, 8038, 10478, 20095, 26195, 40190, 52247, 52390, 104494, 124589, 249178, 261235, 522470, 622945, 679211, 1245890, 1358422, 1619657, 3239314, 3396055, 6792110, 8098285, 16196570, 21055541, 42111082, 105277705, 210555410]

約数ペア:

[(1, 210555410), (2, 105277705), (5, 42111082), (10, 21055541), (13, 16196570), (26, 8098285), (31, 6792110), (62, 3396055), (65, 3239314), (130, 1619657), (155, 1358422), (169, 1245890), (310, 679211), (338, 622945), (403, 522470), (806, 261235), (845, 249178), (1690, 124589), (2015, 104494), (4019, 52390), (4030, 52247), (5239, 40190), (8038, 26195), (10478, 20095)]