238716990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{1697}}^1$

素因数の和:2234

約数の個数: 64

約数和(自身を含む): 638176320

約数和(自身を除く): 399459330

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 521, 1042, 1563, 1697, 2605, 3126, 3394, 4689, 5091, 5210, 7815, 8485, 9378, 10182, 14067, 15273, 15630, 16970, 23445, 25455, 28134, 30546, 45819, 46890, 50910, 70335, 76365, 91638, 140670, 152730, 229095, 458190, 884137, 1768274, 2652411, 4420685, 5304822, 7957233, 8841370, 13262055, 15914466, 23871699, 26524110, 39786165, 47743398, 79572330, 119358495, 238716990]

約数ペア:

[(1, 238716990), (2, 119358495), (3, 79572330), (5, 47743398), (6, 39786165), (9, 26524110), (10, 23871699), (15, 15914466), (18, 13262055), (27, 8841370), (30, 7957233), (45, 5304822), (54, 4420685), (90, 2652411), (135, 1768274), (270, 884137), (521, 458190), (1042, 229095), (1563, 152730), (1697, 140670), (2605, 91638), (3126, 76365), (3394, 70335), (4689, 50910), (5091, 46890), (5210, 45819), (7815, 30546), (8485, 28134), (9378, 25455), (10182, 23445), (14067, 16970), (15273, 15630)]