200999500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{107}}^1$

素因数の和:173

約数の個数: 144

約数和(自身を含む): 506888928

約数和(自身を除く): 305889428

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 25, 26, 34, 50, 52, 65, 68, 85, 100, 107, 125, 130, 170, 214, 221, 250, 260, 289, 325, 340, 425, 428, 442, 500, 535, 578, 650, 850, 884, 1070, 1105, 1156, 1300, 1391, 1445, 1625, 1700, 1819, 2125, 2140, 2210, 2675, 2782, 2890, 3250, 3638, 3757, 4250, 4420, 5350, 5525, 5564, 5780, 6500, 6955, 7225, 7276, 7514, 8500, 9095, 10700, 11050, 13375, 13910, 14450, 15028, 18190, 18785, 22100, 23647, 26750, 27625, 27820, 28900, 30923, 34775, 36125, 36380, 37570, 45475, 47294, 53500, 55250, 61846, 69550, 72250, 75140, 90950, 93925, 94588, 110500, 118235, 123692, 139100, 144500, 154615, 173875, 181900, 187850, 227375, 236470, 309230, 347750, 375700, 401999, 454750, 469625, 472940, 591175, 618460, 695500, 773075, 803998, 909500, 939250, 1182350, 1546150, 1607996, 1878500, 2009995, 2364700, 2955875, 3092300, 3865375, 4019990, 5911750, 7730750, 8039980, 10049975, 11823500, 15461500, 20099950, 40199900, 50249875, 100499750, 200999500]

約数ペア:

[(1, 200999500), (2, 100499750), (4, 50249875), (5, 40199900), (10, 20099950), (13, 15461500), (17, 11823500), (20, 10049975), (25, 8039980), (26, 7730750), (34, 5911750), (50, 4019990), (52, 3865375), (65, 3092300), (68, 2955875), (85, 2364700), (100, 2009995), (107, 1878500), (125, 1607996), (130, 1546150), (170, 1182350), (214, 939250), (221, 909500), (250, 803998), (260, 773075), (289, 695500), (325, 618460), (340, 591175), (425, 472940), (428, 469625), (442, 454750), (500, 401999), (535, 375700), (578, 347750), (650, 309230), (850, 236470), (884, 227375), (1070, 187850), (1105, 181900), (1156, 173875), (1300, 154615), (1391, 144500), (1445, 139100), (1625, 123692), (1700, 118235), (1819, 110500), (2125, 94588), (2140, 93925), (2210, 90950), (2675, 75140), (2782, 72250), (2890, 69550), (3250, 61846), (3638, 55250), (3757, 53500), (4250, 47294), (4420, 45475), (5350, 37570), (5525, 36380), (5564, 36125), (5780, 34775), (6500, 30923), (6955, 28900), (7225, 27820), (7276, 27625), (7514, 26750), (8500, 23647), (9095, 22100), (10700, 18785), (11050, 18190), (13375, 15028), (13910, 14450)]