1421123770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{13063}}^1$

素因数の和:13147

約数の個数: 64

約数和(自身を含む): 2979846144

約数和(自身を除く): 1558722374

約数列:

[1, 2, 5, 10, 11, 22, 23, 43, 46, 55, 86, 110, 115, 215, 230, 253, 430, 473, 506, 946, 989, 1265, 1978, 2365, 2530, 4730, 4945, 9890, 10879, 13063, 21758, 26126, 54395, 65315, 108790, 130630, 143693, 287386, 300449, 561709, 600898, 718465, 1123418, 1436930, 1502245, 2808545, 3004490, 3304939, 5617090, 6178799, 6609878, 12357598, 12919307, 16524695, 25838614, 30893995, 33049390, 61787990, 64596535, 129193070, 142112377, 284224754, 710561885, 1421123770]

約数ペア:

[(1, 1421123770), (2, 710561885), (5, 284224754), (10, 142112377), (11, 129193070), (22, 64596535), (23, 61787990), (43, 33049390), (46, 30893995), (55, 25838614), (86, 16524695), (110, 12919307), (115, 12357598), (215, 6609878), (230, 6178799), (253, 5617090), (430, 3304939), (473, 3004490), (506, 2808545), (946, 1502245), (989, 1436930), (1265, 1123418), (1978, 718465), (2365, 600898), (2530, 561709), (4730, 300449), (4945, 287386), (9890, 143693), (10879, 130630), (13063, 108790), (21758, 65315), (26126, 54395)]