84775340

素因数分解:

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

素因数の和:303

約数の個数: 72

約数和(自身を含む): 203365680

約数和(自身を除く): 118590340

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 131, 190, 247, 260, 262, 380, 494, 524, 655, 988, 1235, 1310, 1703, 2470, 2489, 2620, 3406, 4940, 4978, 6812, 8515, 9956, 12445, 17030, 17161, 24890, 32357, 34060, 34322, 49780, 64714, 68644, 85805, 129428, 161785, 171610, 223093, 323570, 326059, 343220, 446186, 647140, 652118, 892372, 1115465, 1304236, 1630295, 2230930, 3260590, 4238767, 4461860, 6521180, 8477534, 16955068, 21193835, 42387670, 84775340]

約数ペア:

[(1, 84775340), (2, 42387670), (4, 21193835), (5, 16955068), (10, 8477534), (13, 6521180), (19, 4461860), (20, 4238767), (26, 3260590), (38, 2230930), (52, 1630295), (65, 1304236), (76, 1115465), (95, 892372), (130, 652118), (131, 647140), (190, 446186), (247, 343220), (260, 326059), (262, 323570), (380, 223093), (494, 171610), (524, 161785), (655, 129428), (988, 85805), (1235, 68644), (1310, 64714), (1703, 49780), (2470, 34322), (2489, 34060), (2620, 32357), (3406, 24890), (4940, 17161), (4978, 17030), (6812, 12445), (8515, 9956)]