19536400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^2\times {\mathrm{17}}^2$

素因数の和:78

約数の個数: 135

約数和(自身を含む): 53989941

約数和(自身を除く): 34453541

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 25, 26, 34, 40, 50, 52, 65, 68, 80, 85, 100, 104, 130, 136, 169, 170, 200, 208, 221, 260, 272, 289, 325, 338, 340, 400, 425, 442, 520, 578, 650, 676, 680, 845, 850, 884, 1040, 1105, 1156, 1300, 1352, 1360, 1445, 1690, 1700, 1768, 2210, 2312, 2600, 2704, 2873, 2890, 3380, 3400, 3536, 3757, 4225, 4420, 4624, 5200, 5525, 5746, 5780, 6760, 6800, 7225, 7514, 8450, 8840, 11050, 11492, 11560, 13520, 14365, 14450, 15028, 16900, 17680, 18785, 22100, 22984, 23120, 28730, 28900, 30056, 33800, 37570, 44200, 45968, 48841, 57460, 57800, 60112, 67600, 71825, 75140, 88400, 93925, 97682, 114920, 115600, 143650, 150280, 187850, 195364, 229840, 244205, 287300, 300560, 375700, 390728, 488410, 574600, 751400, 781456, 976820, 1149200, 1221025, 1502800, 1953640, 2442050, 3907280, 4884100, 9768200, 19536400]

約数ペア:

[(1, 19536400), (2, 9768200), (4, 4884100), (5, 3907280), (8, 2442050), (10, 1953640), (13, 1502800), (16, 1221025), (17, 1149200), (20, 976820), (25, 781456), (26, 751400), (34, 574600), (40, 488410), (50, 390728), (52, 375700), (65, 300560), (68, 287300), (80, 244205), (85, 229840), (100, 195364), (104, 187850), (130, 150280), (136, 143650), (169, 115600), (170, 114920), (200, 97682), (208, 93925), (221, 88400), (260, 75140), (272, 71825), (289, 67600), (325, 60112), (338, 57800), (340, 57460), (400, 48841), (425, 45968), (442, 44200), (520, 37570), (578, 33800), (650, 30056), (676, 28900), (680, 28730), (845, 23120), (850, 22984), (884, 22100), (1040, 18785), (1105, 17680), (1156, 16900), (1300, 15028), (1352, 14450), (1360, 14365), (1445, 13520), (1690, 11560), (1700, 11492), (1768, 11050), (2210, 8840), (2312, 8450), (2600, 7514), (2704, 7225), (2873, 6800), (2890, 6760), (3380, 5780), (3400, 5746), (3536, 5525), (3757, 5200), (4225, 4624)]