28579460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{383}}^1$

素因数の和:453

約数の個数: 96

約数和(自身を含む): 75866112

約数和(自身を除く): 47286652

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 41, 52, 65, 70, 82, 91, 130, 140, 164, 182, 205, 260, 287, 364, 383, 410, 455, 533, 574, 766, 820, 910, 1066, 1148, 1435, 1532, 1820, 1915, 2132, 2665, 2681, 2870, 3731, 3830, 4979, 5330, 5362, 5740, 7462, 7660, 9958, 10660, 10724, 13405, 14924, 15703, 18655, 19916, 24895, 26810, 31406, 34853, 37310, 49790, 53620, 62812, 69706, 74620, 78515, 99580, 109921, 139412, 157030, 174265, 204139, 219842, 314060, 348530, 408278, 439684, 549605, 697060, 816556, 1020695, 1099210, 1428973, 2041390, 2198420, 2857946, 4082780, 5715892, 7144865, 14289730, 28579460]

約数ペア:

[(1, 28579460), (2, 14289730), (4, 7144865), (5, 5715892), (7, 4082780), (10, 2857946), (13, 2198420), (14, 2041390), (20, 1428973), (26, 1099210), (28, 1020695), (35, 816556), (41, 697060), (52, 549605), (65, 439684), (70, 408278), (82, 348530), (91, 314060), (130, 219842), (140, 204139), (164, 174265), (182, 157030), (205, 139412), (260, 109921), (287, 99580), (364, 78515), (383, 74620), (410, 69706), (455, 62812), (533, 53620), (574, 49790), (766, 37310), (820, 34853), (910, 31406), (1066, 26810), (1148, 24895), (1435, 19916), (1532, 18655), (1820, 15703), (1915, 14924), (2132, 13405), (2665, 10724), (2681, 10660), (2870, 9958), (3731, 7660), (3830, 7462), (4979, 5740), (5330, 5362)]