898345420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{916679}}^1$

素因数の和:916702

約数の個数: 36

約数和(自身を含む): 2194531920

約数和(自身を除く): 1296186500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 916679, 1833358, 3666716, 4583395, 6416753, 9166790, 12833506, 18333580, 25667012, 32083765, 44917271, 64167530, 89834542, 128335060, 179669084, 224586355, 449172710, 898345420]

約数ペア:

[(1, 898345420), (2, 449172710), (4, 224586355), (5, 179669084), (7, 128335060), (10, 89834542), (14, 64167530), (20, 44917271), (28, 32083765), (35, 25667012), (49, 18333580), (70, 12833506), (98, 9166790), (140, 6416753), (196, 4583395), (245, 3666716), (490, 1833358), (980, 916679)]