30286988

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 58329600

約数和(自身を除く): 28042612

約数列:

[1, 2, 4, 19, 38, 47, 61, 76, 94, 122, 139, 188, 244, 278, 556, 893, 1159, 1786, 2318, 2641, 2867, 3572, 4636, 5282, 5734, 6533, 8479, 10564, 11468, 13066, 16958, 26132, 33916, 54473, 108946, 124127, 161101, 217892, 248254, 322202, 398513, 496508, 644404, 797026, 1594052, 7571747, 15143494, 30286988]

約数ペア:

[(1, 30286988), (2, 15143494), (4, 7571747), (19, 1594052), (38, 797026), (47, 644404), (61, 496508), (76, 398513), (94, 322202), (122, 248254), (139, 217892), (188, 161101), (244, 124127), (278, 108946), (556, 54473), (893, 33916), (1159, 26132), (1786, 16958), (2318, 13066), (2641, 11468), (2867, 10564), (3572, 8479), (4636, 6533), (5282, 5734)]