272995180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{73}}^1\times {\mathrm{647}}^1$

素因数の和:763

約数の個数: 72

約数和(自身を含む): 618293088

約数和(自身を除く): 345297908

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 73, 85, 146, 170, 289, 292, 340, 365, 578, 647, 730, 1156, 1241, 1294, 1445, 1460, 2482, 2588, 2890, 3235, 4964, 5780, 6205, 6470, 10999, 12410, 12940, 21097, 21998, 24820, 42194, 43996, 47231, 54995, 84388, 94462, 105485, 109990, 186983, 188924, 210970, 219980, 236155, 373966, 421940, 472310, 747932, 802927, 934915, 944620, 1605854, 1869830, 3211708, 3739660, 4014635, 8029270, 13649759, 16058540, 27299518, 54599036, 68248795, 136497590, 272995180]

約数ペア:

[(1, 272995180), (2, 136497590), (4, 68248795), (5, 54599036), (10, 27299518), (17, 16058540), (20, 13649759), (34, 8029270), (68, 4014635), (73, 3739660), (85, 3211708), (146, 1869830), (170, 1605854), (289, 944620), (292, 934915), (340, 802927), (365, 747932), (578, 472310), (647, 421940), (730, 373966), (1156, 236155), (1241, 219980), (1294, 210970), (1445, 188924), (1460, 186983), (2482, 109990), (2588, 105485), (2890, 94462), (3235, 84388), (4964, 54995), (5780, 47231), (6205, 43996), (6470, 42194), (10999, 24820), (12410, 21998), (12940, 21097)]