30828140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{12953}}^1$

素因数の和:12986

約数の個数: 48

約数和(自身を含む): 78345792

約数和(自身を除く): 47517652

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 12953, 25906, 51812, 64765, 90671, 129530, 181342, 220201, 259060, 362684, 440402, 453355, 880804, 906710, 1101005, 1541407, 1813420, 2202010, 3082814, 4404020, 6165628, 7707035, 15414070, 30828140]

約数ペア:

[(1, 30828140), (2, 15414070), (4, 7707035), (5, 6165628), (7, 4404020), (10, 3082814), (14, 2202010), (17, 1813420), (20, 1541407), (28, 1101005), (34, 906710), (35, 880804), (68, 453355), (70, 440402), (85, 362684), (119, 259060), (140, 220201), (170, 181342), (238, 129530), (340, 90671), (476, 64765), (595, 51812), (1190, 25906), (2380, 12953)]