1289322500

素因数分解:

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

素因数の和:1383

約数の個数: 120

約数和(自身を含む): 3117502080

約数和(自身を除く): 1828179580

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 25, 34, 46, 50, 68, 85, 92, 100, 115, 125, 170, 230, 250, 340, 391, 425, 460, 500, 575, 625, 782, 850, 1150, 1250, 1319, 1564, 1700, 1955, 2125, 2300, 2500, 2638, 2875, 3910, 4250, 5276, 5750, 6595, 7820, 8500, 9775, 10625, 11500, 13190, 14375, 19550, 21250, 22423, 26380, 28750, 30337, 32975, 39100, 42500, 44846, 48875, 57500, 60674, 65950, 89692, 97750, 112115, 121348, 131900, 151685, 164875, 195500, 224230, 244375, 303370, 329750, 448460, 488750, 515729, 560575, 606740, 659500, 758425, 824375, 977500, 1031458, 1121150, 1516850, 1648750, 2062916, 2242300, 2578645, 2802875, 3033700, 3297500, 3792125, 5157290, 5605750, 7584250, 10314580, 11211500, 12893225, 14014375, 15168500, 18960625, 25786450, 28028750, 37921250, 51572900, 56057500, 64466125, 75842500, 128932250, 257864500, 322330625, 644661250, 1289322500]

約数ペア:

[(1, 1289322500), (2, 644661250), (4, 322330625), (5, 257864500), (10, 128932250), (17, 75842500), (20, 64466125), (23, 56057500), (25, 51572900), (34, 37921250), (46, 28028750), (50, 25786450), (68, 18960625), (85, 15168500), (92, 14014375), (100, 12893225), (115, 11211500), (125, 10314580), (170, 7584250), (230, 5605750), (250, 5157290), (340, 3792125), (391, 3297500), (425, 3033700), (460, 2802875), (500, 2578645), (575, 2242300), (625, 2062916), (782, 1648750), (850, 1516850), (1150, 1121150), (1250, 1031458), (1319, 977500), (1564, 824375), (1700, 758425), (1955, 659500), (2125, 606740), (2300, 560575), (2500, 515729), (2638, 488750), (2875, 448460), (3910, 329750), (4250, 303370), (5276, 244375), (5750, 224230), (6595, 195500), (7820, 164875), (8500, 151685), (9775, 131900), (10625, 121348), (11500, 112115), (13190, 97750), (14375, 89692), (19550, 65950), (21250, 60674), (22423, 57500), (26380, 48875), (28750, 44846), (30337, 42500), (32975, 39100)]