1330390412

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{131}}^1\times {\mathrm{541}}^1$

素因数の和:727

約数の個数: 72

約数和(自身を含む): 2671309872

約数和(自身を除く): 1340919460

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 131, 247, 262, 361, 494, 524, 541, 722, 988, 1082, 1444, 1703, 2164, 2489, 3406, 4693, 4978, 6812, 7033, 9386, 9956, 10279, 14066, 18772, 20558, 28132, 32357, 41116, 47291, 64714, 70871, 94582, 129428, 133627, 141742, 189164, 195301, 267254, 283484, 390602, 534508, 614783, 781204, 921323, 1229566, 1346549, 1842646, 2459132, 2538913, 2693098, 3685292, 5077826, 5386196, 10155652, 17505137, 25584431, 35010274, 51168862, 70020548, 102337724, 332597603, 665195206, 1330390412]

約数ペア:

[(1, 1330390412), (2, 665195206), (4, 332597603), (13, 102337724), (19, 70020548), (26, 51168862), (38, 35010274), (52, 25584431), (76, 17505137), (131, 10155652), (247, 5386196), (262, 5077826), (361, 3685292), (494, 2693098), (524, 2538913), (541, 2459132), (722, 1842646), (988, 1346549), (1082, 1229566), (1444, 921323), (1703, 781204), (2164, 614783), (2489, 534508), (3406, 390602), (4693, 283484), (4978, 267254), (6812, 195301), (7033, 189164), (9386, 141742), (9956, 133627), (10279, 129428), (14066, 94582), (18772, 70871), (20558, 64714), (28132, 47291), (32357, 41116)]