77080300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{887}}^1$

素因数の和:991

約数の個数: 72

約数和(自身を含む): 184988160

約数和(自身を除く): 107907860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 79, 100, 110, 158, 220, 275, 316, 395, 550, 790, 869, 887, 1100, 1580, 1738, 1774, 1975, 3476, 3548, 3950, 4345, 4435, 7900, 8690, 8870, 9757, 17380, 17740, 19514, 21725, 22175, 39028, 43450, 44350, 48785, 70073, 86900, 88700, 97570, 140146, 195140, 243925, 280292, 350365, 487850, 700730, 770803, 975700, 1401460, 1541606, 1751825, 3083212, 3503650, 3854015, 7007300, 7708030, 15416060, 19270075, 38540150, 77080300]

約数ペア:

[(1, 77080300), (2, 38540150), (4, 19270075), (5, 15416060), (10, 7708030), (11, 7007300), (20, 3854015), (22, 3503650), (25, 3083212), (44, 1751825), (50, 1541606), (55, 1401460), (79, 975700), (100, 770803), (110, 700730), (158, 487850), (220, 350365), (275, 280292), (316, 243925), (395, 195140), (550, 140146), (790, 97570), (869, 88700), (887, 86900), (1100, 70073), (1580, 48785), (1738, 44350), (1774, 43450), (1975, 39028), (3476, 22175), (3548, 21725), (3950, 19514), (4345, 17740), (4435, 17380), (7900, 9757), (8690, 8870)]