280490490

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{1033}}^1$

素因数の和:1484

約数の個数: 96

約数和(自身を含む): 836199936

約数和(自身を除く): 555709446

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 431, 630, 862, 1033, 1293, 2066, 2155, 2586, 3017, 3099, 3879, 4310, 5165, 6034, 6198, 6465, 7231, 7758, 9051, 9297, 10330, 12930, 14462, 15085, 15495, 18102, 18594, 19395, 21693, 27153, 30170, 30990, 36155, 38790, 43386, 45255, 46485, 54306, 65079, 72310, 90510, 92970, 108465, 130158, 135765, 216930, 271530, 325395, 445223, 650790, 890446, 1335669, 2226115, 2671338, 3116561, 4007007, 4452230, 6233122, 6678345, 8014014, 9349683, 13356690, 15582805, 18699366, 20035035, 28049049, 31165610, 40070070, 46748415, 56098098, 93496830, 140245245, 280490490]

約数ペア:

[(1, 280490490), (2, 140245245), (3, 93496830), (5, 56098098), (6, 46748415), (7, 40070070), (9, 31165610), (10, 28049049), (14, 20035035), (15, 18699366), (18, 15582805), (21, 13356690), (30, 9349683), (35, 8014014), (42, 6678345), (45, 6233122), (63, 4452230), (70, 4007007), (90, 3116561), (105, 2671338), (126, 2226115), (210, 1335669), (315, 890446), (431, 650790), (630, 445223), (862, 325395), (1033, 271530), (1293, 216930), (2066, 135765), (2155, 130158), (2586, 108465), (3017, 92970), (3099, 90510), (3879, 72310), (4310, 65079), (5165, 54306), (6034, 46485), (6198, 45255), (6465, 43386), (7231, 38790), (7758, 36155), (9051, 30990), (9297, 30170), (10330, 27153), (12930, 21693), (14462, 19395), (15085, 18594), (15495, 18102)]