297788140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{4637}}^1$

素因数の和:4691

約数の個数: 72

約数和(自身を含む): 712953360

約数和(自身を除く): 415165220

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 169, 190, 247, 260, 338, 380, 494, 676, 845, 988, 1235, 1690, 2470, 3211, 3380, 4637, 4940, 6422, 9274, 12844, 16055, 18548, 23185, 32110, 46370, 60281, 64220, 88103, 92740, 120562, 176206, 241124, 301405, 352412, 440515, 602810, 783653, 881030, 1145339, 1205620, 1567306, 1762060, 2290678, 3134612, 3918265, 4581356, 5726695, 7836530, 11453390, 14889407, 15673060, 22906780, 29778814, 59557628, 74447035, 148894070, 297788140]

約数ペア:

[(1, 297788140), (2, 148894070), (4, 74447035), (5, 59557628), (10, 29778814), (13, 22906780), (19, 15673060), (20, 14889407), (26, 11453390), (38, 7836530), (52, 5726695), (65, 4581356), (76, 3918265), (95, 3134612), (130, 2290678), (169, 1762060), (190, 1567306), (247, 1205620), (260, 1145339), (338, 881030), (380, 783653), (494, 602810), (676, 440515), (845, 352412), (988, 301405), (1235, 241124), (1690, 176206), (2470, 120562), (3211, 92740), (3380, 88103), (4637, 64220), (4940, 60281), (6422, 46370), (9274, 32110), (12844, 23185), (16055, 18548)]