2012654750

素因数分解:

$2^1\times 5^3\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{761}}^1$

素因数の和:998

約数の個数: 64

約数和(自身を含む): 3851452800

約数和(自身を除く): 1838798050

約数列:

[1, 2, 5, 10, 25, 50, 71, 125, 142, 149, 250, 298, 355, 710, 745, 761, 1490, 1522, 1775, 3550, 3725, 3805, 7450, 7610, 8875, 10579, 17750, 18625, 19025, 21158, 37250, 38050, 52895, 54031, 95125, 105790, 108062, 113389, 190250, 226778, 264475, 270155, 528950, 540310, 566945, 1133890, 1322375, 1350775, 2644750, 2701550, 2834725, 5669450, 6753875, 8050619, 13507750, 14173625, 16101238, 28347250, 40253095, 80506190, 201265475, 402530950, 1006327375, 2012654750]

約数ペア:

[(1, 2012654750), (2, 1006327375), (5, 402530950), (10, 201265475), (25, 80506190), (50, 40253095), (71, 28347250), (125, 16101238), (142, 14173625), (149, 13507750), (250, 8050619), (298, 6753875), (355, 5669450), (710, 2834725), (745, 2701550), (761, 2644750), (1490, 1350775), (1522, 1322375), (1775, 1133890), (3550, 566945), (3725, 540310), (3805, 528950), (7450, 270155), (7610, 264475), (8875, 226778), (10579, 190250), (17750, 113389), (18625, 108062), (19025, 105790), (21158, 95125), (37250, 54031), (38050, 52895)]