1294280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:174

約数の個数: 64

約数和(自身を含む): 3326400

約数和(自身を除く): 2032120

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 131, 152, 190, 247, 260, 262, 380, 494, 520, 524, 655, 760, 988, 1048, 1235, 1310, 1703, 1976, 2470, 2489, 2620, 3406, 4940, 4978, 5240, 6812, 8515, 9880, 9956, 12445, 13624, 17030, 19912, 24890, 32357, 34060, 49780, 64714, 68120, 99560, 129428, 161785, 258856, 323570, 647140, 1294280]

約数ペア:

[(1, 1294280), (2, 647140), (4, 323570), (5, 258856), (8, 161785), (10, 129428), (13, 99560), (19, 68120), (20, 64714), (26, 49780), (38, 34060), (40, 32357), (52, 24890), (65, 19912), (76, 17030), (95, 13624), (104, 12445), (130, 9956), (131, 9880), (152, 8515), (190, 6812), (247, 5240), (260, 4978), (262, 4940), (380, 3406), (494, 2620), (520, 2489), (524, 2470), (655, 1976), (760, 1703), (988, 1310), (1048, 1235)]