249580400

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^3\times {\mathrm{127}}^1$

素因数の和:196

約数の個数: 120

約数和(自身を含む): 642101760

約数和(自身を除く): 392521360

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 127, 136, 170, 200, 254, 272, 289, 340, 400, 425, 508, 578, 635, 680, 850, 1016, 1156, 1270, 1360, 1445, 1700, 2032, 2159, 2312, 2540, 2890, 3175, 3400, 4318, 4624, 4913, 5080, 5780, 6350, 6800, 7225, 8636, 9826, 10160, 10795, 11560, 12700, 14450, 17272, 19652, 21590, 23120, 24565, 25400, 28900, 34544, 36703, 39304, 43180, 49130, 50800, 53975, 57800, 73406, 78608, 86360, 98260, 107950, 115600, 122825, 146812, 172720, 183515, 196520, 215900, 245650, 293624, 367030, 393040, 431800, 491300, 587248, 623951, 734060, 863600, 917575, 982600, 1247902, 1468120, 1835150, 1965200, 2495804, 2936240, 3119755, 3670300, 4991608, 6239510, 7340600, 9983216, 12479020, 14681200, 15598775, 24958040, 31197550, 49916080, 62395100, 124790200, 249580400]

約数ペア:

[(1, 249580400), (2, 124790200), (4, 62395100), (5, 49916080), (8, 31197550), (10, 24958040), (16, 15598775), (17, 14681200), (20, 12479020), (25, 9983216), (34, 7340600), (40, 6239510), (50, 4991608), (68, 3670300), (80, 3119755), (85, 2936240), (100, 2495804), (127, 1965200), (136, 1835150), (170, 1468120), (200, 1247902), (254, 982600), (272, 917575), (289, 863600), (340, 734060), (400, 623951), (425, 587248), (508, 491300), (578, 431800), (635, 393040), (680, 367030), (850, 293624), (1016, 245650), (1156, 215900), (1270, 196520), (1360, 183515), (1445, 172720), (1700, 146812), (2032, 122825), (2159, 115600), (2312, 107950), (2540, 98260), (2890, 86360), (3175, 78608), (3400, 73406), (4318, 57800), (4624, 53975), (4913, 50800), (5080, 49130), (5780, 43180), (6350, 39304), (6800, 36703), (7225, 34544), (8636, 28900), (9826, 25400), (10160, 24565), (10795, 23120), (11560, 21590), (12700, 19652), (14450, 17272)]