1254403460

素因数分解:

$2^2\times 5^1\times {\mathrm{1487}}^1\times {\mathrm{42179}}^1$

素因数の和:43675

約数の個数: 24

約数和(自身を含む): 2636081280

約数和(自身を除く): 1381677820

約数列:

[1, 2, 4, 5, 10, 20, 1487, 2974, 5948, 7435, 14870, 29740, 42179, 84358, 168716, 210895, 421790, 843580, 62720173, 125440346, 250880692, 313600865, 627201730, 1254403460]

約数ペア:

[(1, 1254403460), (2, 627201730), (4, 313600865), (5, 250880692), (10, 125440346), (20, 62720173), (1487, 843580), (2974, 421790), (5948, 210895), (7435, 168716), (14870, 84358), (29740, 42179)]