28426890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{401}}^1$

素因数の和:567

約数の個数: 64

約数和(自身を含む): 72938880

約数和(自身を除く): 44511990

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 139, 170, 255, 278, 401, 417, 510, 695, 802, 834, 1203, 1390, 2005, 2085, 2363, 2406, 4010, 4170, 4726, 6015, 6817, 7089, 11815, 12030, 13634, 14178, 20451, 23630, 34085, 35445, 40902, 55739, 68170, 70890, 102255, 111478, 167217, 204510, 278695, 334434, 557390, 836085, 947563, 1672170, 1895126, 2842689, 4737815, 5685378, 9475630, 14213445, 28426890]

約数ペア:

[(1, 28426890), (2, 14213445), (3, 9475630), (5, 5685378), (6, 4737815), (10, 2842689), (15, 1895126), (17, 1672170), (30, 947563), (34, 836085), (51, 557390), (85, 334434), (102, 278695), (139, 204510), (170, 167217), (255, 111478), (278, 102255), (401, 70890), (417, 68170), (510, 55739), (695, 40902), (802, 35445), (834, 34085), (1203, 23630), (1390, 20451), (2005, 14178), (2085, 13634), (2363, 12030), (2406, 11815), (4010, 7089), (4170, 6817), (4726, 6015)]