30275980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{12721}}^1$

素因数の和:12754

約数の個数: 48

約数和(自身を含む): 76942656

約数和(自身を除く): 46666676

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, 12721, 25442, 50884, 63605, 89047, 127210, 178094, 216257, 254420, 356188, 432514, 445235, 865028, 890470, 1081285, 1513799, 1780940, 2162570, 3027598, 4325140, 6055196, 7568995, 15137990, 30275980]

約数ペア:

[(1, 30275980), (2, 15137990), (4, 7568995), (5, 6055196), (7, 4325140), (10, 3027598), (14, 2162570), (17, 1780940), (20, 1513799), (28, 1081285), (34, 890470), (35, 865028), (68, 445235), (70, 432514), (85, 356188), (119, 254420), (140, 216257), (170, 178094), (238, 127210), (340, 89047), (476, 63605), (595, 50884), (1190, 25442), (2380, 12721)]