253888740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{201499}}^1$

素因数の和:201521

約数の個数: 72

約数和(自身を含む): 880152000

約数和(自身を除く): 626263260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 201499, 402998, 604497, 805996, 1007495, 1208994, 1410493, 1813491, 2014990, 2417988, 2820986, 3022485, 3626982, 4029980, 4231479, 5641972, 6044970, 7052465, 7253964, 8462958, 9067455, 12089940, 12694437, 14104930, 16925916, 18134910, 21157395, 25388874, 28209860, 36269820, 42314790, 50777748, 63472185, 84629580, 126944370, 253888740]

約数ペア:

[(1, 253888740), (2, 126944370), (3, 84629580), (4, 63472185), (5, 50777748), (6, 42314790), (7, 36269820), (9, 28209860), (10, 25388874), (12, 21157395), (14, 18134910), (15, 16925916), (18, 14104930), (20, 12694437), (21, 12089940), (28, 9067455), (30, 8462958), (35, 7253964), (36, 7052465), (42, 6044970), (45, 5641972), (60, 4231479), (63, 4029980), (70, 3626982), (84, 3022485), (90, 2820986), (105, 2417988), (126, 2014990), (140, 1813491), (180, 1410493), (210, 1208994), (252, 1007495), (315, 805996), (420, 604497), (630, 402998), (1260, 201499)]