30885764

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:205

約数の個数: 72

約数和(自身を含む): 68620608

約数和(自身を除く): 37734844

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 61, 91, 107, 122, 169, 182, 214, 244, 338, 364, 427, 428, 676, 749, 793, 854, 1183, 1391, 1498, 1586, 1708, 2366, 2782, 2996, 3172, 4732, 5551, 5564, 6527, 9737, 10309, 11102, 13054, 18083, 19474, 20618, 22204, 26108, 36166, 38948, 41236, 45689, 72163, 72332, 84851, 91378, 126581, 144326, 169702, 182756, 253162, 288652, 339404, 506324, 593957, 1103063, 1187914, 2206126, 2375828, 4412252, 7721441, 15442882, 30885764]

約数ペア:

[(1, 30885764), (2, 15442882), (4, 7721441), (7, 4412252), (13, 2375828), (14, 2206126), (26, 1187914), (28, 1103063), (52, 593957), (61, 506324), (91, 339404), (107, 288652), (122, 253162), (169, 182756), (182, 169702), (214, 144326), (244, 126581), (338, 91378), (364, 84851), (427, 72332), (428, 72163), (676, 45689), (749, 41236), (793, 38948), (854, 36166), (1183, 26108), (1391, 22204), (1498, 20618), (1586, 19474), (1708, 18083), (2366, 13054), (2782, 11102), (2996, 10309), (3172, 9737), (4732, 6527), (5551, 5564)]