638599770

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1\times {\mathrm{431}}^1$

素因数の和:708

約数の個数: 96

約数和(自身を含む): 1691000064

約数和(自身を除く): 1052400294

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 101, 163, 202, 303, 326, 431, 489, 505, 606, 815, 862, 909, 978, 1010, 1293, 1467, 1515, 1630, 1818, 2155, 2445, 2586, 2934, 3030, 3879, 4310, 4545, 4890, 6465, 7335, 7758, 9090, 12930, 14670, 16463, 19395, 32926, 38790, 43531, 49389, 70253, 82315, 87062, 98778, 130593, 140506, 148167, 164630, 210759, 217655, 246945, 261186, 296334, 351265, 391779, 421518, 435310, 493890, 632277, 652965, 702530, 740835, 783558, 1053795, 1264554, 1305930, 1481670, 1958895, 2107590, 3161385, 3917790, 6322770, 7095553, 14191106, 21286659, 35477765, 42573318, 63859977, 70955530, 106433295, 127719954, 212866590, 319299885, 638599770]

約数ペア:

[(1, 638599770), (2, 319299885), (3, 212866590), (5, 127719954), (6, 106433295), (9, 70955530), (10, 63859977), (15, 42573318), (18, 35477765), (30, 21286659), (45, 14191106), (90, 7095553), (101, 6322770), (163, 3917790), (202, 3161385), (303, 2107590), (326, 1958895), (431, 1481670), (489, 1305930), (505, 1264554), (606, 1053795), (815, 783558), (862, 740835), (909, 702530), (978, 652965), (1010, 632277), (1293, 493890), (1467, 435310), (1515, 421518), (1630, 391779), (1818, 351265), (2155, 296334), (2445, 261186), (2586, 246945), (2934, 217655), (3030, 210759), (3879, 164630), (4310, 148167), (4545, 140506), (4890, 130593), (6465, 98778), (7335, 87062), (7758, 82315), (9090, 70253), (12930, 49389), (14670, 43531), (16463, 38790), (19395, 32926)]