30128420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{12659}}^1$

素因数の和:12692

約数の個数: 48

約数和(自身を含む): 76567680

約数和(自身を除く): 46439260

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, 12659, 25318, 50636, 63295, 88613, 126590, 177226, 215203, 253180, 354452, 430406, 443065, 860812, 886130, 1076015, 1506421, 1772260, 2152030, 3012842, 4304060, 6025684, 7532105, 15064210, 30128420]

約数ペア:

[(1, 30128420), (2, 15064210), (4, 7532105), (5, 6025684), (7, 4304060), (10, 3012842), (14, 2152030), (17, 1772260), (20, 1506421), (28, 1076015), (34, 886130), (35, 860812), (68, 443065), (70, 430406), (85, 354452), (119, 253180), (140, 215203), (170, 177226), (238, 126590), (340, 88613), (476, 63295), (595, 50636), (1190, 25318), (2380, 12659)]