77371970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1$

素因数の和:387

約数の個数: 64

約数和(自身を含む): 157538304

約数和(自身を除く): 80166334

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 73, 130, 146, 155, 263, 310, 365, 403, 526, 730, 806, 949, 1315, 1898, 2015, 2263, 2630, 3419, 4030, 4526, 4745, 6838, 8153, 9490, 11315, 16306, 17095, 19199, 22630, 29419, 34190, 38398, 40765, 58838, 81530, 95995, 105989, 147095, 191990, 211978, 249587, 294190, 499174, 529945, 595169, 1059890, 1190338, 1247935, 2495870, 2975845, 5951690, 7737197, 15474394, 38685985, 77371970]

約数ペア:

[(1, 77371970), (2, 38685985), (5, 15474394), (10, 7737197), (13, 5951690), (26, 2975845), (31, 2495870), (62, 1247935), (65, 1190338), (73, 1059890), (130, 595169), (146, 529945), (155, 499174), (263, 294190), (310, 249587), (365, 211978), (403, 191990), (526, 147095), (730, 105989), (806, 95995), (949, 81530), (1315, 58838), (1898, 40765), (2015, 38398), (2263, 34190), (2630, 29419), (3419, 22630), (4030, 19199), (4526, 17095), (4745, 16306), (6838, 11315), (8153, 9490)]