207842140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{2617}}^1$

素因数の和:2675

約数の個数: 72

約数和(自身を含む): 502718832

約数和(自身を除く): 294876692

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 361, 380, 418, 722, 836, 1045, 1444, 1805, 2090, 2617, 3610, 3971, 4180, 5234, 7220, 7942, 10468, 13085, 15884, 19855, 26170, 28787, 39710, 49723, 52340, 57574, 79420, 99446, 115148, 143935, 198892, 248615, 287870, 497230, 546953, 575740, 944737, 994460, 1093906, 1889474, 2187812, 2734765, 3778948, 4723685, 5469530, 9447370, 10392107, 10939060, 18894740, 20784214, 41568428, 51960535, 103921070, 207842140]

約数ペア:

[(1, 207842140), (2, 103921070), (4, 51960535), (5, 41568428), (10, 20784214), (11, 18894740), (19, 10939060), (20, 10392107), (22, 9447370), (38, 5469530), (44, 4723685), (55, 3778948), (76, 2734765), (95, 2187812), (110, 1889474), (190, 1093906), (209, 994460), (220, 944737), (361, 575740), (380, 546953), (418, 497230), (722, 287870), (836, 248615), (1045, 198892), (1444, 143935), (1805, 115148), (2090, 99446), (2617, 79420), (3610, 57574), (3971, 52340), (4180, 49723), (5234, 39710), (7220, 28787), (7942, 26170), (10468, 19855), (13085, 15884)]