31317400

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:245

約数の個数: 96

約数和(自身を含む): 78878880

約数和(自身を除く): 47561480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 61, 68, 85, 100, 122, 136, 151, 170, 200, 244, 302, 305, 340, 425, 488, 604, 610, 680, 755, 850, 1037, 1208, 1220, 1510, 1525, 1700, 2074, 2440, 2567, 3020, 3050, 3400, 3775, 4148, 5134, 5185, 6040, 6100, 7550, 8296, 9211, 10268, 10370, 12200, 12835, 15100, 18422, 20536, 20740, 25670, 25925, 30200, 36844, 41480, 46055, 51340, 51850, 64175, 73688, 92110, 102680, 103700, 128350, 156587, 184220, 207400, 230275, 256700, 313174, 368440, 460550, 513400, 626348, 782935, 921100, 1252696, 1565870, 1842200, 3131740, 3914675, 6263480, 7829350, 15658700, 31317400]

約数ペア:

[(1, 31317400), (2, 15658700), (4, 7829350), (5, 6263480), (8, 3914675), (10, 3131740), (17, 1842200), (20, 1565870), (25, 1252696), (34, 921100), (40, 782935), (50, 626348), (61, 513400), (68, 460550), (85, 368440), (100, 313174), (122, 256700), (136, 230275), (151, 207400), (170, 184220), (200, 156587), (244, 128350), (302, 103700), (305, 102680), (340, 92110), (425, 73688), (488, 64175), (604, 51850), (610, 51340), (680, 46055), (755, 41480), (850, 36844), (1037, 30200), (1208, 25925), (1220, 25670), (1510, 20740), (1525, 20536), (1700, 18422), (2074, 15100), (2440, 12835), (2567, 12200), (3020, 10370), (3050, 10268), (3400, 9211), (3775, 8296), (4148, 7550), (5134, 6100), (5185, 6040)]