421628560

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{310021}}^1$

素因数の和:310051

約数の個数: 40

約数和(自身を含む): 1037953656

約数和(自身を除く): 616325096

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 310021, 620042, 1240084, 1550105, 2480168, 3100210, 4960336, 5270357, 6200420, 10540714, 12400840, 21081428, 24801680, 26351785, 42162856, 52703570, 84325712, 105407140, 210814280, 421628560]

約数ペア:

[(1, 421628560), (2, 210814280), (4, 105407140), (5, 84325712), (8, 52703570), (10, 42162856), (16, 26351785), (17, 24801680), (20, 21081428), (34, 12400840), (40, 10540714), (68, 6200420), (80, 5270357), (85, 4960336), (136, 3100210), (170, 2480168), (272, 1550105), (340, 1240084), (680, 620042), (1360, 310021)]