30928940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1277}}^1$

素因数の和:1466

約数の個数: 48

約数和(自身を含む): 74716992

約数和(自身を除く): 43788052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 173, 346, 692, 865, 1211, 1277, 1730, 2422, 2554, 3460, 4844, 5108, 6055, 6385, 8939, 12110, 12770, 17878, 24220, 25540, 35756, 44695, 89390, 178780, 220921, 441842, 883684, 1104605, 1546447, 2209210, 3092894, 4418420, 6185788, 7732235, 15464470, 30928940]

約数ペア:

[(1, 30928940), (2, 15464470), (4, 7732235), (5, 6185788), (7, 4418420), (10, 3092894), (14, 2209210), (20, 1546447), (28, 1104605), (35, 883684), (70, 441842), (140, 220921), (173, 178780), (346, 89390), (692, 44695), (865, 35756), (1211, 25540), (1277, 24220), (1730, 17878), (2422, 12770), (2554, 12110), (3460, 8939), (4844, 6385), (5108, 6055)]