253724250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{491}}^1$

素因数の和:577

約数の個数: 128

約数和(自身を含む): 696294144

約数和(自身を除く): 442569894

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 53, 65, 75, 78, 106, 125, 130, 150, 159, 195, 250, 265, 318, 325, 375, 390, 491, 530, 650, 689, 750, 795, 975, 982, 1325, 1378, 1473, 1590, 1625, 1950, 2067, 2455, 2650, 2946, 3250, 3445, 3975, 4134, 4875, 4910, 6383, 6625, 6890, 7365, 7950, 9750, 10335, 12275, 12766, 13250, 14730, 17225, 19149, 19875, 20670, 24550, 26023, 31915, 34450, 36825, 38298, 39750, 51675, 52046, 61375, 63830, 73650, 78069, 86125, 95745, 103350, 122750, 130115, 156138, 159575, 172250, 184125, 191490, 258375, 260230, 319150, 338299, 368250, 390345, 478725, 516750, 650575, 676598, 780690, 797875, 957450, 1014897, 1301150, 1595750, 1691495, 1951725, 2029794, 2393625, 3252875, 3382990, 3903450, 4787250, 5074485, 6505750, 8457475, 9758625, 10148970, 16914950, 19517250, 25372425, 42287375, 50744850, 84574750, 126862125, 253724250]

約数ペア:

[(1, 253724250), (2, 126862125), (3, 84574750), (5, 50744850), (6, 42287375), (10, 25372425), (13, 19517250), (15, 16914950), (25, 10148970), (26, 9758625), (30, 8457475), (39, 6505750), (50, 5074485), (53, 4787250), (65, 3903450), (75, 3382990), (78, 3252875), (106, 2393625), (125, 2029794), (130, 1951725), (150, 1691495), (159, 1595750), (195, 1301150), (250, 1014897), (265, 957450), (318, 797875), (325, 780690), (375, 676598), (390, 650575), (491, 516750), (530, 478725), (650, 390345), (689, 368250), (750, 338299), (795, 319150), (975, 260230), (982, 258375), (1325, 191490), (1378, 184125), (1473, 172250), (1590, 159575), (1625, 156138), (1950, 130115), (2067, 122750), (2455, 103350), (2650, 95745), (2946, 86125), (3250, 78069), (3445, 73650), (3975, 63830), (4134, 61375), (4875, 52046), (4910, 51675), (6383, 39750), (6625, 38298), (6890, 36825), (7365, 34450), (7950, 31915), (9750, 26023), (10335, 24550), (12275, 20670), (12766, 19875), (13250, 19149), (14730, 17225)]