2495220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1$

素因数の和:489

約数の個数: 96

約数和(自身を含む): 8617728

約数和(自身を除く): 6122508

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 457, 546, 780, 910, 914, 1092, 1365, 1371, 1820, 1828, 2285, 2730, 2742, 3199, 4570, 5460, 5484, 5941, 6398, 6855, 9140, 9597, 11882, 12796, 13710, 15995, 17823, 19194, 23764, 27420, 29705, 31990, 35646, 38388, 41587, 47985, 59410, 63980, 71292, 83174, 89115, 95970, 118820, 124761, 166348, 178230, 191940, 207935, 249522, 356460, 415870, 499044, 623805, 831740, 1247610, 2495220]

約数ペア:

[(1, 2495220), (2, 1247610), (3, 831740), (4, 623805), (5, 499044), (6, 415870), (7, 356460), (10, 249522), (12, 207935), (13, 191940), (14, 178230), (15, 166348), (20, 124761), (21, 118820), (26, 95970), (28, 89115), (30, 83174), (35, 71292), (39, 63980), (42, 59410), (52, 47985), (60, 41587), (65, 38388), (70, 35646), (78, 31990), (84, 29705), (91, 27420), (105, 23764), (130, 19194), (140, 17823), (156, 15995), (182, 13710), (195, 12796), (210, 11882), (260, 9597), (273, 9140), (364, 6855), (390, 6398), (420, 5941), (455, 5484), (457, 5460), (546, 4570), (780, 3199), (910, 2742), (914, 2730), (1092, 2285), (1365, 1828), (1371, 1820)]