74820860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{241}}^1$

素因数の和:331

約数の個数: 72

約数和(自身を含む): 170389296

約数和(自身を除く): 95568436

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 241, 361, 380, 430, 482, 722, 817, 860, 964, 1205, 1444, 1634, 1805, 2410, 3268, 3610, 4085, 4579, 4820, 7220, 8170, 9158, 10363, 15523, 16340, 18316, 20726, 22895, 31046, 41452, 45790, 51815, 62092, 77615, 87001, 91580, 103630, 155230, 174002, 196897, 207260, 310460, 348004, 393794, 435005, 787588, 870010, 984485, 1740020, 1968970, 3741043, 3937940, 7482086, 14964172, 18705215, 37410430, 74820860]

約数ペア:

[(1, 74820860), (2, 37410430), (4, 18705215), (5, 14964172), (10, 7482086), (19, 3937940), (20, 3741043), (38, 1968970), (43, 1740020), (76, 984485), (86, 870010), (95, 787588), (172, 435005), (190, 393794), (215, 348004), (241, 310460), (361, 207260), (380, 196897), (430, 174002), (482, 155230), (722, 103630), (817, 91580), (860, 87001), (964, 77615), (1205, 62092), (1444, 51815), (1634, 45790), (1805, 41452), (2410, 31046), (3268, 22895), (3610, 20726), (4085, 18316), (4579, 16340), (4820, 15523), (7220, 10363), (8170, 9158)]