1998750

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1$

素因数の和:79

約数の個数: 80

約数和(自身を含む): 5510736

約数和(自身を除く): 3511986

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 41, 50, 65, 75, 78, 82, 123, 125, 130, 150, 195, 205, 246, 250, 325, 375, 390, 410, 533, 615, 625, 650, 750, 975, 1025, 1066, 1230, 1250, 1599, 1625, 1875, 1950, 2050, 2665, 3075, 3198, 3250, 3750, 4875, 5125, 5330, 6150, 7995, 8125, 9750, 10250, 13325, 15375, 15990, 16250, 24375, 25625, 26650, 30750, 39975, 48750, 51250, 66625, 76875, 79950, 133250, 153750, 199875, 333125, 399750, 666250, 999375, 1998750]

約数ペア:

[(1, 1998750), (2, 999375), (3, 666250), (5, 399750), (6, 333125), (10, 199875), (13, 153750), (15, 133250), (25, 79950), (26, 76875), (30, 66625), (39, 51250), (41, 48750), (50, 39975), (65, 30750), (75, 26650), (78, 25625), (82, 24375), (123, 16250), (125, 15990), (130, 15375), (150, 13325), (195, 10250), (205, 9750), (246, 8125), (250, 7995), (325, 6150), (375, 5330), (390, 5125), (410, 4875), (533, 3750), (615, 3250), (625, 3198), (650, 3075), (750, 2665), (975, 2050), (1025, 1950), (1066, 1875), (1230, 1625), (1250, 1599)]