72901340

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{823}}^1$

素因数の和:978

約数の個数: 48

約数和(自身を含む): 158366208

約数和(自身を除く): 85464868

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 103, 172, 206, 215, 412, 430, 515, 823, 860, 1030, 1646, 2060, 3292, 4115, 4429, 8230, 8858, 16460, 17716, 22145, 35389, 44290, 70778, 84769, 88580, 141556, 169538, 176945, 339076, 353890, 423845, 707780, 847690, 1695380, 3645067, 7290134, 14580268, 18225335, 36450670, 72901340]

約数ペア:

[(1, 72901340), (2, 36450670), (4, 18225335), (5, 14580268), (10, 7290134), (20, 3645067), (43, 1695380), (86, 847690), (103, 707780), (172, 423845), (206, 353890), (215, 339076), (412, 176945), (430, 169538), (515, 141556), (823, 88580), (860, 84769), (1030, 70778), (1646, 44290), (2060, 35389), (3292, 22145), (4115, 17716), (4429, 16460), (8230, 8858)]