28810460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10831}}^1$

素因数の和:10866

約数の個数: 48

約数和(自身を含む): 72791040

約数和(自身を除く): 43980580

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 10831, 21662, 43324, 54155, 75817, 108310, 151634, 205789, 216620, 303268, 379085, 411578, 758170, 823156, 1028945, 1440523, 1516340, 2057890, 2881046, 4115780, 5762092, 7202615, 14405230, 28810460]

約数ペア:

[(1, 28810460), (2, 14405230), (4, 7202615), (5, 5762092), (7, 4115780), (10, 2881046), (14, 2057890), (19, 1516340), (20, 1440523), (28, 1028945), (35, 823156), (38, 758170), (70, 411578), (76, 379085), (95, 303268), (133, 216620), (140, 205789), (190, 151634), (266, 108310), (380, 75817), (532, 54155), (665, 43324), (1330, 21662), (2660, 10831)]