84362500

素因数分解:

$2^2\times 5^5\times {\mathrm{17}}^1\times {\mathrm{397}}^1$

素因数の和:443

約数の個数: 72

約数和(自身を含む): 195878088

約数和(自身を除く): 111515588

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 250, 340, 397, 425, 500, 625, 794, 850, 1250, 1588, 1700, 1985, 2125, 2500, 3125, 3970, 4250, 6250, 6749, 7940, 8500, 9925, 10625, 12500, 13498, 19850, 21250, 26996, 33745, 39700, 42500, 49625, 53125, 67490, 99250, 106250, 134980, 168725, 198500, 212500, 248125, 337450, 496250, 674900, 843625, 992500, 1240625, 1687250, 2481250, 3374500, 4218125, 4962500, 8436250, 16872500, 21090625, 42181250, 84362500]

約数ペア:

[(1, 84362500), (2, 42181250), (4, 21090625), (5, 16872500), (10, 8436250), (17, 4962500), (20, 4218125), (25, 3374500), (34, 2481250), (50, 1687250), (68, 1240625), (85, 992500), (100, 843625), (125, 674900), (170, 496250), (250, 337450), (340, 248125), (397, 212500), (425, 198500), (500, 168725), (625, 134980), (794, 106250), (850, 99250), (1250, 67490), (1588, 53125), (1700, 49625), (1985, 42500), (2125, 39700), (2500, 33745), (3125, 26996), (3970, 21250), (4250, 19850), (6250, 13498), (6749, 12500), (7940, 10625), (8500, 9925)]