201695920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{487}}^1$

素因数の和:698

約数の個数: 80

約数和(自身を含む): 487968768

約数和(自身を除く): 286272848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 167, 248, 310, 334, 487, 496, 620, 668, 835, 974, 1240, 1336, 1670, 1948, 2435, 2480, 2672, 3340, 3896, 4870, 5177, 6680, 7792, 9740, 10354, 13360, 15097, 19480, 20708, 25885, 30194, 38960, 41416, 51770, 60388, 75485, 81329, 82832, 103540, 120776, 150970, 162658, 207080, 241552, 301940, 325316, 406645, 414160, 603880, 650632, 813290, 1207760, 1301264, 1626580, 2521199, 3253160, 5042398, 6506320, 10084796, 12605995, 20169592, 25211990, 40339184, 50423980, 100847960, 201695920]

約数ペア:

[(1, 201695920), (2, 100847960), (4, 50423980), (5, 40339184), (8, 25211990), (10, 20169592), (16, 12605995), (20, 10084796), (31, 6506320), (40, 5042398), (62, 3253160), (80, 2521199), (124, 1626580), (155, 1301264), (167, 1207760), (248, 813290), (310, 650632), (334, 603880), (487, 414160), (496, 406645), (620, 325316), (668, 301940), (835, 241552), (974, 207080), (1240, 162658), (1336, 150970), (1670, 120776), (1948, 103540), (2435, 82832), (2480, 81329), (2672, 75485), (3340, 60388), (3896, 51770), (4870, 41416), (5177, 38960), (6680, 30194), (7792, 25885), (9740, 20708), (10354, 19480), (13360, 15097)]