726770980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{4057}}^1$

素因数の和:4145

約数の個数: 72

約数和(自身を含む): 1684248552

約数和(自身を除く): 957477572

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 169, 212, 260, 265, 338, 530, 676, 689, 845, 1060, 1378, 1690, 2756, 3380, 3445, 4057, 6890, 8114, 8957, 13780, 16228, 17914, 20285, 35828, 40570, 44785, 52741, 81140, 89570, 105482, 179140, 210964, 215021, 263705, 430042, 527410, 685633, 860084, 1054820, 1075105, 1371266, 2150210, 2742532, 2795273, 3428165, 4300420, 5590546, 6856330, 11181092, 13712660, 13976365, 27952730, 36338549, 55905460, 72677098, 145354196, 181692745, 363385490, 726770980]

約数ペア:

[(1, 726770980), (2, 363385490), (4, 181692745), (5, 145354196), (10, 72677098), (13, 55905460), (20, 36338549), (26, 27952730), (52, 13976365), (53, 13712660), (65, 11181092), (106, 6856330), (130, 5590546), (169, 4300420), (212, 3428165), (260, 2795273), (265, 2742532), (338, 2150210), (530, 1371266), (676, 1075105), (689, 1054820), (845, 860084), (1060, 685633), (1378, 527410), (1690, 430042), (2756, 263705), (3380, 215021), (3445, 210964), (4057, 179140), (6890, 105482), (8114, 89570), (8957, 81140), (13780, 52741), (16228, 44785), (17914, 40570), (20285, 35828)]