389414740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2897}}^1$

素因数の和:2977

約数の個数: 96

約数和(自身を含む): 981517824

約数和(自身を除く): 592103084

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 47, 52, 55, 65, 94, 110, 130, 143, 188, 220, 235, 260, 286, 470, 517, 572, 611, 715, 940, 1034, 1222, 1430, 2068, 2444, 2585, 2860, 2897, 3055, 5170, 5794, 6110, 6721, 10340, 11588, 12220, 13442, 14485, 26884, 28970, 31867, 33605, 37661, 57940, 63734, 67210, 75322, 127468, 134420, 136159, 150644, 159335, 188305, 272318, 318670, 376610, 414271, 544636, 637340, 680795, 753220, 828542, 1361590, 1497749, 1657084, 1770067, 2071355, 2723180, 2995498, 3540134, 4142710, 5990996, 7080268, 7488745, 8285420, 8850335, 14977490, 17700670, 19470737, 29954980, 35401340, 38941474, 77882948, 97353685, 194707370, 389414740]

約数ペア:

[(1, 389414740), (2, 194707370), (4, 97353685), (5, 77882948), (10, 38941474), (11, 35401340), (13, 29954980), (20, 19470737), (22, 17700670), (26, 14977490), (44, 8850335), (47, 8285420), (52, 7488745), (55, 7080268), (65, 5990996), (94, 4142710), (110, 3540134), (130, 2995498), (143, 2723180), (188, 2071355), (220, 1770067), (235, 1657084), (260, 1497749), (286, 1361590), (470, 828542), (517, 753220), (572, 680795), (611, 637340), (715, 544636), (940, 414271), (1034, 376610), (1222, 318670), (1430, 272318), (2068, 188305), (2444, 159335), (2585, 150644), (2860, 136159), (2897, 134420), (3055, 127468), (5170, 75322), (5794, 67210), (6110, 63734), (6721, 57940), (10340, 37661), (11588, 33605), (12220, 31867), (13442, 28970), (14485, 26884)]