236991940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{1787}}^1$

素因数の和:2164

約数の個数: 48

約数和(自身を含む): 525672000

約数和(自身を除く): 288680060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 349, 380, 698, 1396, 1745, 1787, 3490, 3574, 6631, 6980, 7148, 8935, 13262, 17870, 26524, 33155, 33953, 35740, 66310, 67906, 132620, 135812, 169765, 339530, 623663, 679060, 1247326, 2494652, 3118315, 6236630, 11849597, 12473260, 23699194, 47398388, 59247985, 118495970, 236991940]

約数ペア:

[(1, 236991940), (2, 118495970), (4, 59247985), (5, 47398388), (10, 23699194), (19, 12473260), (20, 11849597), (38, 6236630), (76, 3118315), (95, 2494652), (190, 1247326), (349, 679060), (380, 623663), (698, 339530), (1396, 169765), (1745, 135812), (1787, 132620), (3490, 67906), (3574, 66310), (6631, 35740), (6980, 33953), (7148, 33155), (8935, 26524), (13262, 17870)]