397179940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{684793}}^1$

素因数の和:684831

約数の個数: 24

約数和(自身を含む): 862840440

約数和(自身を除く): 465660500

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 684793, 1369586, 2739172, 3423965, 6847930, 13695860, 19858997, 39717994, 79435988, 99294985, 198589970, 397179940]

約数ペア:

[(1, 397179940), (2, 198589970), (4, 99294985), (5, 79435988), (10, 39717994), (20, 19858997), (29, 13695860), (58, 6847930), (116, 3423965), (145, 2739172), (290, 1369586), (580, 684793)]