72244220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{431}}^1$

素因数の和:503

約数の個数: 72

約数和(自身を含む): 167106240

約数和(自身を除く): 94862020

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 289, 290, 340, 431, 493, 578, 580, 862, 986, 1156, 1445, 1724, 1972, 2155, 2465, 2890, 4310, 4930, 5780, 7327, 8381, 8620, 9860, 12499, 14654, 16762, 24998, 29308, 33524, 36635, 41905, 49996, 62495, 73270, 83810, 124559, 124990, 146540, 167620, 212483, 249118, 249980, 424966, 498236, 622795, 849932, 1062415, 1245590, 2124830, 2491180, 3612211, 4249660, 7224422, 14448844, 18061055, 36122110, 72244220]

約数ペア:

[(1, 72244220), (2, 36122110), (4, 18061055), (5, 14448844), (10, 7224422), (17, 4249660), (20, 3612211), (29, 2491180), (34, 2124830), (58, 1245590), (68, 1062415), (85, 849932), (116, 622795), (145, 498236), (170, 424966), (289, 249980), (290, 249118), (340, 212483), (431, 167620), (493, 146540), (578, 124990), (580, 124559), (862, 83810), (986, 73270), (1156, 62495), (1445, 49996), (1724, 41905), (1972, 36635), (2155, 33524), (2465, 29308), (2890, 24998), (4310, 16762), (4930, 14654), (5780, 12499), (7327, 9860), (8381, 8620)]