2078740180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1\times {\mathrm{727}}^1$

素因数の和:1105

約数の個数: 96

約数和(自身を含む): 4900476672

約数和(自身を除く): 2821736492

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 317, 410, 451, 634, 727, 820, 902, 1268, 1454, 1585, 1804, 2255, 2908, 3170, 3487, 3635, 4510, 6340, 6974, 7270, 7997, 9020, 12997, 13948, 14540, 15994, 17435, 25994, 29807, 31988, 34870, 39985, 51988, 59614, 64985, 69740, 79970, 119228, 129970, 142967, 149035, 159940, 230459, 259940, 285934, 298070, 327877, 460918, 571868, 596140, 655754, 714835, 921836, 1152295, 1311508, 1429670, 1639385, 2304590, 2535049, 2859340, 3278770, 4609180, 5070098, 6557540, 9448819, 10140196, 12675245, 18897638, 25350490, 37795276, 47244095, 50700980, 94488190, 103937009, 188976380, 207874018, 415748036, 519685045, 1039370090, 2078740180]

約数ペア:

[(1, 2078740180), (2, 1039370090), (4, 519685045), (5, 415748036), (10, 207874018), (11, 188976380), (20, 103937009), (22, 94488190), (41, 50700980), (44, 47244095), (55, 37795276), (82, 25350490), (110, 18897638), (164, 12675245), (205, 10140196), (220, 9448819), (317, 6557540), (410, 5070098), (451, 4609180), (634, 3278770), (727, 2859340), (820, 2535049), (902, 2304590), (1268, 1639385), (1454, 1429670), (1585, 1311508), (1804, 1152295), (2255, 921836), (2908, 714835), (3170, 655754), (3487, 596140), (3635, 571868), (4510, 460918), (6340, 327877), (6974, 298070), (7270, 285934), (7997, 259940), (9020, 230459), (12997, 159940), (13948, 149035), (14540, 142967), (15994, 129970), (17435, 119228), (25994, 79970), (29807, 69740), (31988, 64985), (34870, 59614), (39985, 51988)]