18798400

素因数分解:

$2^6\times 5^2\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:432

約数の個数: 84

約数和(自身を含む): 47873920

約数和(自身を除く): 29075520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 155, 160, 200, 248, 310, 320, 379, 400, 496, 620, 758, 775, 800, 992, 1240, 1516, 1550, 1600, 1895, 1984, 2480, 3032, 3100, 3790, 4960, 6064, 6200, 7580, 9475, 9920, 11749, 12128, 12400, 15160, 18950, 23498, 24256, 24800, 30320, 37900, 46996, 49600, 58745, 60640, 75800, 93992, 117490, 121280, 151600, 187984, 234980, 293725, 303200, 375968, 469960, 587450, 606400, 751936, 939920, 1174900, 1879840, 2349800, 3759680, 4699600, 9399200, 18798400]

約数ペア:

[(1, 18798400), (2, 9399200), (4, 4699600), (5, 3759680), (8, 2349800), (10, 1879840), (16, 1174900), (20, 939920), (25, 751936), (31, 606400), (32, 587450), (40, 469960), (50, 375968), (62, 303200), (64, 293725), (80, 234980), (100, 187984), (124, 151600), (155, 121280), (160, 117490), (200, 93992), (248, 75800), (310, 60640), (320, 58745), (379, 49600), (400, 46996), (496, 37900), (620, 30320), (758, 24800), (775, 24256), (800, 23498), (992, 18950), (1240, 15160), (1516, 12400), (1550, 12128), (1600, 11749), (1895, 9920), (1984, 9475), (2480, 7580), (3032, 6200), (3100, 6064), (3790, 4960)]