12143780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{191}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 29707776

約数和(自身を除く): 17563996

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 191, 220, 289, 340, 374, 382, 578, 748, 764, 935, 955, 1156, 1445, 1870, 1910, 2101, 2890, 3179, 3247, 3740, 3820, 4202, 5780, 6358, 6494, 8404, 10505, 12716, 12988, 15895, 16235, 21010, 31790, 32470, 35717, 42020, 55199, 63580, 64940, 71434, 110398, 142868, 178585, 220796, 275995, 357170, 551990, 607189, 714340, 1103980, 1214378, 2428756, 3035945, 6071890, 12143780]

約数ペア:

[(1, 12143780), (2, 6071890), (4, 3035945), (5, 2428756), (10, 1214378), (11, 1103980), (17, 714340), (20, 607189), (22, 551990), (34, 357170), (44, 275995), (55, 220796), (68, 178585), (85, 142868), (110, 110398), (170, 71434), (187, 64940), (191, 63580), (220, 55199), (289, 42020), (340, 35717), (374, 32470), (382, 31790), (578, 21010), (748, 16235), (764, 15895), (935, 12988), (955, 12716), (1156, 10505), (1445, 8404), (1870, 6494), (1910, 6358), (2101, 5780), (2890, 4202), (3179, 3820), (3247, 3740)]