16902620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{769}}^1$

素因数の和:942

約数の個数: 48

約数和(自身を含む): 40877760

約数和(自身を除く): 23975140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 769, 785, 1099, 1538, 1570, 2198, 3076, 3140, 3845, 4396, 5383, 5495, 7690, 10766, 10990, 15380, 21532, 21980, 26915, 53830, 107660, 120733, 241466, 482932, 603665, 845131, 1207330, 1690262, 2414660, 3380524, 4225655, 8451310, 16902620]

約数ペア:

[(1, 16902620), (2, 8451310), (4, 4225655), (5, 3380524), (7, 2414660), (10, 1690262), (14, 1207330), (20, 845131), (28, 603665), (35, 482932), (70, 241466), (140, 120733), (157, 107660), (314, 53830), (628, 26915), (769, 21980), (785, 21532), (1099, 15380), (1538, 10990), (1570, 10766), (2198, 7690), (3076, 5495), (3140, 5383), (3845, 4396)]