644661250

素因数分解:

$2^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1319}}^1$

素因数の和:1381

約数の個数: 80

約数和(自身を含む): 1336072320

約数和(自身を除く): 691411070

約数列:

[1, 2, 5, 10, 17, 23, 25, 34, 46, 50, 85, 115, 125, 170, 230, 250, 391, 425, 575, 625, 782, 850, 1150, 1250, 1319, 1955, 2125, 2638, 2875, 3910, 4250, 5750, 6595, 9775, 10625, 13190, 14375, 19550, 21250, 22423, 28750, 30337, 32975, 44846, 48875, 60674, 65950, 97750, 112115, 151685, 164875, 224230, 244375, 303370, 329750, 488750, 515729, 560575, 758425, 824375, 1031458, 1121150, 1516850, 1648750, 2578645, 2802875, 3792125, 5157290, 5605750, 7584250, 12893225, 14014375, 18960625, 25786450, 28028750, 37921250, 64466125, 128932250, 322330625, 644661250]

約数ペア:

[(1, 644661250), (2, 322330625), (5, 128932250), (10, 64466125), (17, 37921250), (23, 28028750), (25, 25786450), (34, 18960625), (46, 14014375), (50, 12893225), (85, 7584250), (115, 5605750), (125, 5157290), (170, 3792125), (230, 2802875), (250, 2578645), (391, 1648750), (425, 1516850), (575, 1121150), (625, 1031458), (782, 824375), (850, 758425), (1150, 560575), (1250, 515729), (1319, 488750), (1955, 329750), (2125, 303370), (2638, 244375), (2875, 224230), (3910, 164875), (4250, 151685), (5750, 112115), (6595, 97750), (9775, 65950), (10625, 60674), (13190, 48875), (14375, 44846), (19550, 32975), (21250, 30337), (22423, 28750)]