29478420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{421}}^1$

素因数の和:825

約数の個数: 72

約数和(自身を含む): 89860680

約数和(自身を除く): 60382260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 389, 421, 778, 842, 1167, 1263, 1556, 1684, 1945, 2105, 2334, 2526, 3501, 3789, 3890, 4210, 4668, 5052, 5835, 6315, 7002, 7578, 7780, 8420, 11670, 12630, 14004, 15156, 17505, 18945, 23340, 25260, 35010, 37890, 70020, 75780, 163769, 327538, 491307, 655076, 818845, 982614, 1473921, 1637690, 1965228, 2456535, 2947842, 3275380, 4913070, 5895684, 7369605, 9826140, 14739210, 29478420]

約数ペア:

[(1, 29478420), (2, 14739210), (3, 9826140), (4, 7369605), (5, 5895684), (6, 4913070), (9, 3275380), (10, 2947842), (12, 2456535), (15, 1965228), (18, 1637690), (20, 1473921), (30, 982614), (36, 818845), (45, 655076), (60, 491307), (90, 327538), (180, 163769), (389, 75780), (421, 70020), (778, 37890), (842, 35010), (1167, 25260), (1263, 23340), (1556, 18945), (1684, 17505), (1945, 15156), (2105, 14004), (2334, 12630), (2526, 11670), (3501, 8420), (3789, 7780), (3890, 7578), (4210, 7002), (4668, 6315), (5052, 5835)]