72428228

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{919}}^1$

素因数の和:1020

約数の個数: 48

約数和(自身を含む): 143740800

約数和(自身を除く): 71312572

約数列:

[1, 2, 4, 17, 19, 34, 38, 61, 68, 76, 122, 244, 323, 646, 919, 1037, 1159, 1292, 1838, 2074, 2318, 3676, 4148, 4636, 15623, 17461, 19703, 31246, 34922, 39406, 56059, 62492, 69844, 78812, 112118, 224236, 296837, 593674, 953003, 1065121, 1187348, 1906006, 2130242, 3812012, 4260484, 18107057, 36214114, 72428228]

約数ペア:

[(1, 72428228), (2, 36214114), (4, 18107057), (17, 4260484), (19, 3812012), (34, 2130242), (38, 1906006), (61, 1187348), (68, 1065121), (76, 953003), (122, 593674), (244, 296837), (323, 224236), (646, 112118), (919, 78812), (1037, 69844), (1159, 62492), (1292, 56059), (1838, 39406), (2074, 34922), (2318, 31246), (3676, 19703), (4148, 17461), (4636, 15623)]