2005607500

素因数分解:

$2^2\times 5^4\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:198

約数の個数: 180

約数和(自身を含む): 4898257056

約数和(自身を除く): 2892649556

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 47, 50, 52, 65, 94, 100, 101, 125, 130, 169, 188, 202, 235, 250, 260, 325, 338, 404, 470, 500, 505, 611, 625, 650, 676, 845, 940, 1010, 1175, 1222, 1250, 1300, 1313, 1625, 1690, 2020, 2350, 2444, 2500, 2525, 2626, 3055, 3250, 3380, 4225, 4700, 4747, 5050, 5252, 5875, 6110, 6500, 6565, 7943, 8125, 8450, 9494, 10100, 11750, 12220, 12625, 13130, 15275, 15886, 16250, 16900, 17069, 18988, 21125, 23500, 23735, 25250, 26260, 29375, 30550, 31772, 32500, 32825, 34138, 39715, 42250, 47470, 50500, 58750, 61100, 61711, 63125, 65650, 68276, 76375, 79430, 84500, 85345, 94940, 105625, 117500, 118675, 123422, 126250, 131300, 152750, 158860, 164125, 170690, 198575, 211250, 237350, 246844, 252500, 305500, 308555, 328250, 341380, 381875, 397150, 422500, 426725, 474700, 593375, 617110, 656500, 763750, 794300, 802243, 820625, 853450, 992875, 1186750, 1234220, 1527500, 1542775, 1604486, 1641250, 1706900, 1985750, 2133625, 2373500, 2966875, 3085550, 3208972, 3282500, 3971500, 4011215, 4267250, 4964375, 5933750, 6171100, 7713875, 8022430, 8534500, 9928750, 10668125, 11867500, 15427750, 16044860, 19857500, 20056075, 21336250, 30855500, 38569375, 40112150, 42672500, 77138750, 80224300, 100280375, 154277500, 200560750, 401121500, 501401875, 1002803750, 2005607500]

約数ペア:

[(1, 2005607500), (2, 1002803750), (4, 501401875), (5, 401121500), (10, 200560750), (13, 154277500), (20, 100280375), (25, 80224300), (26, 77138750), (47, 42672500), (50, 40112150), (52, 38569375), (65, 30855500), (94, 21336250), (100, 20056075), (101, 19857500), (125, 16044860), (130, 15427750), (169, 11867500), (188, 10668125), (202, 9928750), (235, 8534500), (250, 8022430), (260, 7713875), (325, 6171100), (338, 5933750), (404, 4964375), (470, 4267250), (500, 4011215), (505, 3971500), (611, 3282500), (625, 3208972), (650, 3085550), (676, 2966875), (845, 2373500), (940, 2133625), (1010, 1985750), (1175, 1706900), (1222, 1641250), (1250, 1604486), (1300, 1542775), (1313, 1527500), (1625, 1234220), (1690, 1186750), (2020, 992875), (2350, 853450), (2444, 820625), (2500, 802243), (2525, 794300), (2626, 763750), (3055, 656500), (3250, 617110), (3380, 593375), (4225, 474700), (4700, 426725), (4747, 422500), (5050, 397150), (5252, 381875), (5875, 341380), (6110, 328250), (6500, 308555), (6565, 305500), (7943, 252500), (8125, 246844), (8450, 237350), (9494, 211250), (10100, 198575), (11750, 170690), (12220, 164125), (12625, 158860), (13130, 152750), (15275, 131300), (15886, 126250), (16250, 123422), (16900, 118675), (17069, 117500), (18988, 105625), (21125, 94940), (23500, 85345), (23735, 84500), (25250, 79430), (26260, 76375), (29375, 68276), (30550, 65650), (31772, 63125), (32500, 61711), (32825, 61100), (34138, 58750), (39715, 50500), (42250, 47470)]