219959480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{3229}}^1$

素因数の和:3384

約数の個数: 64

約数和(自身を含む): 537213600

約数和(自身を除く): 317254120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 131, 260, 262, 520, 524, 655, 1048, 1310, 1703, 2620, 3229, 3406, 5240, 6458, 6812, 8515, 12916, 13624, 16145, 17030, 25832, 32290, 34060, 41977, 64580, 68120, 83954, 129160, 167908, 209885, 335816, 419770, 422999, 839540, 845998, 1679080, 1691996, 2114995, 3383992, 4229990, 5498987, 8459980, 10997974, 16919960, 21995948, 27494935, 43991896, 54989870, 109979740, 219959480]

約数ペア:

[(1, 219959480), (2, 109979740), (4, 54989870), (5, 43991896), (8, 27494935), (10, 21995948), (13, 16919960), (20, 10997974), (26, 8459980), (40, 5498987), (52, 4229990), (65, 3383992), (104, 2114995), (130, 1691996), (131, 1679080), (260, 845998), (262, 839540), (520, 422999), (524, 419770), (655, 335816), (1048, 209885), (1310, 167908), (1703, 129160), (2620, 83954), (3229, 68120), (3406, 64580), (5240, 41977), (6458, 34060), (6812, 32290), (8515, 25832), (12916, 17030), (13624, 16145)]