28119210

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{457}}^1$

素因数の和:767

約数の個数: 64

約数和(自身を含む): 77559552

約数和(自身を除く): 49440342

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 293, 457, 586, 879, 914, 1371, 1465, 1758, 2051, 2285, 2742, 2930, 3199, 4102, 4395, 4570, 6153, 6398, 6855, 8790, 9597, 10255, 12306, 13710, 15995, 19194, 20510, 30765, 31990, 47985, 61530, 95970, 133901, 267802, 401703, 669505, 803406, 937307, 1339010, 1874614, 2008515, 2811921, 4017030, 4686535, 5623842, 9373070, 14059605, 28119210]

約数ペア:

[(1, 28119210), (2, 14059605), (3, 9373070), (5, 5623842), (6, 4686535), (7, 4017030), (10, 2811921), (14, 2008515), (15, 1874614), (21, 1339010), (30, 937307), (35, 803406), (42, 669505), (70, 401703), (105, 267802), (210, 133901), (293, 95970), (457, 61530), (586, 47985), (879, 31990), (914, 30765), (1371, 20510), (1465, 19194), (1758, 15995), (2051, 13710), (2285, 12306), (2742, 10255), (2930, 9597), (3199, 8790), (4102, 6855), (4395, 6398), (4570, 6153)]