220803996

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{2741}}^1$

素因数の和:2899

約数の個数: 72

約数和(自身を含む): 603920016

約数和(自身を除く): 383116020

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 137, 147, 196, 274, 294, 411, 548, 588, 822, 959, 1644, 1918, 2741, 2877, 3836, 5482, 5754, 6713, 8223, 10964, 11508, 13426, 16446, 19187, 20139, 26852, 32892, 38374, 40278, 57561, 76748, 80556, 115122, 134309, 230244, 268618, 375517, 402927, 537236, 751034, 805854, 1126551, 1502068, 1611708, 2253102, 2628619, 4506204, 5257238, 7885857, 10514476, 15771714, 18400333, 31543428, 36800666, 55200999, 73601332, 110401998, 220803996]

約数ペア:

[(1, 220803996), (2, 110401998), (3, 73601332), (4, 55200999), (6, 36800666), (7, 31543428), (12, 18400333), (14, 15771714), (21, 10514476), (28, 7885857), (42, 5257238), (49, 4506204), (84, 2628619), (98, 2253102), (137, 1611708), (147, 1502068), (196, 1126551), (274, 805854), (294, 751034), (411, 537236), (548, 402927), (588, 375517), (822, 268618), (959, 230244), (1644, 134309), (1918, 115122), (2741, 80556), (2877, 76748), (3836, 57561), (5482, 40278), (5754, 38374), (6713, 32892), (8223, 26852), (10964, 20139), (11508, 19187), (13426, 16446)]