284305420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{18979}}^1$

素因数の和:19102

約数の個数: 48

約数和(自身を含む): 688746240

約数和(自身を除く): 404440820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1070, 1498, 2140, 2996, 3745, 7490, 14980, 18979, 37958, 75916, 94895, 132853, 189790, 265706, 379580, 531412, 664265, 1328530, 2030753, 2657060, 4061506, 8123012, 10153765, 14215271, 20307530, 28430542, 40615060, 56861084, 71076355, 142152710, 284305420]

約数ペア:

[(1, 284305420), (2, 142152710), (4, 71076355), (5, 56861084), (7, 40615060), (10, 28430542), (14, 20307530), (20, 14215271), (28, 10153765), (35, 8123012), (70, 4061506), (107, 2657060), (140, 2030753), (214, 1328530), (428, 664265), (535, 531412), (749, 379580), (1070, 265706), (1498, 189790), (2140, 132853), (2996, 94895), (3745, 75916), (7490, 37958), (14980, 18979)]