306985240

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{48883}}^1$

素因数の和:49051

約数の個数: 32

約数和(自身を含む): 695130480

約数和(自身を除く): 388145240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 48883, 97766, 195532, 244415, 391064, 488830, 977660, 1955320, 7674631, 15349262, 30698524, 38373155, 61397048, 76746310, 153492620, 306985240]

約数ペア:

[(1, 306985240), (2, 153492620), (4, 76746310), (5, 61397048), (8, 38373155), (10, 30698524), (20, 15349262), (40, 7674631), (157, 1955320), (314, 977660), (628, 488830), (785, 391064), (1256, 244415), (1570, 195532), (3140, 97766), (6280, 48883)]