207838470

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{3851}}^1$

素因数の和:4125

約数の個数: 64

約数和(自身を含む): 572438016

約数和(自身を除く): 364599546

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 257, 514, 771, 1285, 1542, 1799, 2570, 3598, 3851, 3855, 5397, 7702, 7710, 8995, 10794, 11553, 17990, 19255, 23106, 26957, 26985, 38510, 53914, 53970, 57765, 80871, 115530, 134785, 161742, 269570, 404355, 808710, 989707, 1979414, 2969121, 4948535, 5938242, 6927949, 9897070, 13855898, 14845605, 20783847, 29691210, 34639745, 41567694, 69279490, 103919235, 207838470]

約数ペア:

[(1, 207838470), (2, 103919235), (3, 69279490), (5, 41567694), (6, 34639745), (7, 29691210), (10, 20783847), (14, 14845605), (15, 13855898), (21, 9897070), (30, 6927949), (35, 5938242), (42, 4948535), (70, 2969121), (105, 1979414), (210, 989707), (257, 808710), (514, 404355), (771, 269570), (1285, 161742), (1542, 134785), (1799, 115530), (2570, 80871), (3598, 57765), (3851, 53970), (3855, 53914), (5397, 38510), (7702, 26985), (7710, 26957), (8995, 23106), (10794, 19255), (11553, 17990)]