30250780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1249}}^1$

素因数の和:1438

約数の個数: 48

約数和(自身を含む): 73080000

約数和(自身を除く): 42829220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 173, 346, 692, 865, 1211, 1249, 1730, 2422, 2498, 3460, 4844, 4996, 6055, 6245, 8743, 12110, 12490, 17486, 24220, 24980, 34972, 43715, 87430, 174860, 216077, 432154, 864308, 1080385, 1512539, 2160770, 3025078, 4321540, 6050156, 7562695, 15125390, 30250780]

約数ペア:

[(1, 30250780), (2, 15125390), (4, 7562695), (5, 6050156), (7, 4321540), (10, 3025078), (14, 2160770), (20, 1512539), (28, 1080385), (35, 864308), (70, 432154), (140, 216077), (173, 174860), (346, 87430), (692, 43715), (865, 34972), (1211, 24980), (1249, 24220), (1730, 17486), (2422, 12490), (2498, 12110), (3460, 8743), (4844, 6245), (4996, 6055)]