4478500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^2\times {\mathrm{53}}^1$

素因数の和:98

約数の個数: 72

約数和(自身を含む): 10791144

約数和(自身を除く): 6312644

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 53, 65, 100, 106, 125, 130, 169, 212, 250, 260, 265, 325, 338, 500, 530, 650, 676, 689, 845, 1060, 1300, 1325, 1378, 1625, 1690, 2650, 2756, 3250, 3380, 3445, 4225, 5300, 6500, 6625, 6890, 8450, 8957, 13250, 13780, 16900, 17225, 17914, 21125, 26500, 34450, 35828, 42250, 44785, 68900, 84500, 86125, 89570, 172250, 179140, 223925, 344500, 447850, 895700, 1119625, 2239250, 4478500]

約数ペア:

[(1, 4478500), (2, 2239250), (4, 1119625), (5, 895700), (10, 447850), (13, 344500), (20, 223925), (25, 179140), (26, 172250), (50, 89570), (52, 86125), (53, 84500), (65, 68900), (100, 44785), (106, 42250), (125, 35828), (130, 34450), (169, 26500), (212, 21125), (250, 17914), (260, 17225), (265, 16900), (325, 13780), (338, 13250), (500, 8957), (530, 8450), (650, 6890), (676, 6625), (689, 6500), (845, 5300), (1060, 4225), (1300, 3445), (1325, 3380), (1378, 3250), (1625, 2756), (1690, 2650)]