28874500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:158

約数の個数: 96

約数和(自身を含む): 69189120

約数和(自身を除く): 40314620

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 43, 50, 68, 79, 85, 86, 100, 125, 158, 170, 172, 215, 250, 316, 340, 395, 425, 430, 500, 731, 790, 850, 860, 1075, 1343, 1462, 1580, 1700, 1975, 2125, 2150, 2686, 2924, 3397, 3655, 3950, 4250, 4300, 5372, 5375, 6715, 6794, 7310, 7900, 8500, 9875, 10750, 13430, 13588, 14620, 16985, 18275, 19750, 21500, 26860, 33575, 33970, 36550, 39500, 57749, 67150, 67940, 73100, 84925, 91375, 115498, 134300, 167875, 169850, 182750, 230996, 288745, 335750, 339700, 365500, 424625, 577490, 671500, 849250, 1154980, 1443725, 1698500, 2887450, 5774900, 7218625, 14437250, 28874500]

約数ペア:

[(1, 28874500), (2, 14437250), (4, 7218625), (5, 5774900), (10, 2887450), (17, 1698500), (20, 1443725), (25, 1154980), (34, 849250), (43, 671500), (50, 577490), (68, 424625), (79, 365500), (85, 339700), (86, 335750), (100, 288745), (125, 230996), (158, 182750), (170, 169850), (172, 167875), (215, 134300), (250, 115498), (316, 91375), (340, 84925), (395, 73100), (425, 67940), (430, 67150), (500, 57749), (731, 39500), (790, 36550), (850, 33970), (860, 33575), (1075, 26860), (1343, 21500), (1462, 19750), (1580, 18275), (1700, 16985), (1975, 14620), (2125, 13588), (2150, 13430), (2686, 10750), (2924, 9875), (3397, 8500), (3655, 7900), (3950, 7310), (4250, 6794), (4300, 6715), (5372, 5375)]