860890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:246

約数の個数: 32

約数和(自身を含む): 1710720

約数和(自身を除く): 849830

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 197, 230, 394, 437, 874, 985, 1970, 2185, 3743, 4370, 4531, 7486, 9062, 18715, 22655, 37430, 45310, 86089, 172178, 430445, 860890]

約数ペア:

[(1, 860890), (2, 430445), (5, 172178), (10, 86089), (19, 45310), (23, 37430), (38, 22655), (46, 18715), (95, 9062), (115, 7486), (190, 4531), (197, 4370), (230, 3743), (394, 2185), (437, 1970), (874, 985)]