31240900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:118

約数の個数: 108

約数和(自身を含む): 76745088

約数和(自身を除く): 45504188

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 25, 34, 46, 47, 50, 68, 85, 92, 94, 100, 115, 170, 188, 230, 235, 289, 340, 391, 425, 460, 470, 575, 578, 782, 799, 850, 940, 1081, 1150, 1156, 1175, 1445, 1564, 1598, 1700, 1955, 2162, 2300, 2350, 2890, 3196, 3910, 3995, 4324, 4700, 5405, 5780, 6647, 7225, 7820, 7990, 9775, 10810, 13294, 13583, 14450, 15980, 18377, 19550, 19975, 21620, 26588, 27025, 27166, 28900, 33235, 36754, 39100, 39950, 54050, 54332, 66470, 67915, 73508, 79900, 91885, 108100, 132940, 135830, 166175, 183770, 271660, 312409, 332350, 339575, 367540, 459425, 624818, 664700, 679150, 918850, 1249636, 1358300, 1562045, 1837700, 3124090, 6248180, 7810225, 15620450, 31240900]

約数ペア:

[(1, 31240900), (2, 15620450), (4, 7810225), (5, 6248180), (10, 3124090), (17, 1837700), (20, 1562045), (23, 1358300), (25, 1249636), (34, 918850), (46, 679150), (47, 664700), (50, 624818), (68, 459425), (85, 367540), (92, 339575), (94, 332350), (100, 312409), (115, 271660), (170, 183770), (188, 166175), (230, 135830), (235, 132940), (289, 108100), (340, 91885), (391, 79900), (425, 73508), (460, 67915), (470, 66470), (575, 54332), (578, 54050), (782, 39950), (799, 39100), (850, 36754), (940, 33235), (1081, 28900), (1150, 27166), (1156, 27025), (1175, 26588), (1445, 21620), (1564, 19975), (1598, 19550), (1700, 18377), (1955, 15980), (2162, 14450), (2300, 13583), (2350, 13294), (2890, 10810), (3196, 9775), (3910, 7990), (3995, 7820), (4324, 7225), (4700, 6647), (5405, 5780)]