109800140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1\times {\mathrm{433}}^1$

素因数の和:882

約数の個数: 48

約数和(自身を含む): 239151360

約数和(自身を除く): 129351220

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 409, 433, 620, 818, 866, 1636, 1732, 2045, 2165, 4090, 4330, 8180, 8660, 12679, 13423, 25358, 26846, 50716, 53692, 63395, 67115, 126790, 134230, 177097, 253580, 268460, 354194, 708388, 885485, 1770970, 3541940, 5490007, 10980014, 21960028, 27450035, 54900070, 109800140]

約数ペア:

[(1, 109800140), (2, 54900070), (4, 27450035), (5, 21960028), (10, 10980014), (20, 5490007), (31, 3541940), (62, 1770970), (124, 885485), (155, 708388), (310, 354194), (409, 268460), (433, 253580), (620, 177097), (818, 134230), (866, 126790), (1636, 67115), (1732, 63395), (2045, 53692), (2165, 50716), (4090, 26846), (4330, 25358), (8180, 13423), (8660, 12679)]