72843980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19477}}^1$

素因数の和:19514

約数の個数: 48

約数和(自身を含む): 176704416

約数和(自身を除く): 103860436

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 19477, 38954, 77908, 97385, 194770, 214247, 331109, 389540, 428494, 662218, 856988, 1071235, 1324436, 1655545, 2142470, 3311090, 3642199, 4284940, 6622180, 7284398, 14568796, 18210995, 36421990, 72843980]

約数ペア:

[(1, 72843980), (2, 36421990), (4, 18210995), (5, 14568796), (10, 7284398), (11, 6622180), (17, 4284940), (20, 3642199), (22, 3311090), (34, 2142470), (44, 1655545), (55, 1324436), (68, 1071235), (85, 856988), (110, 662218), (170, 428494), (187, 389540), (220, 331109), (340, 214247), (374, 194770), (748, 97385), (935, 77908), (1870, 38954), (3740, 19477)]