199958680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^2\times {\mathrm{73}}^1$

素因数の和:209

約数の個数: 96

約数和(自身を含む): 481011840

約数和(自身を除く): 281053160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 47, 62, 73, 94, 124, 146, 155, 188, 235, 248, 292, 310, 365, 376, 470, 584, 620, 730, 940, 1240, 1457, 1460, 1880, 2209, 2263, 2914, 2920, 3431, 4418, 4526, 5828, 6862, 7285, 8836, 9052, 11045, 11315, 11656, 13724, 14570, 17155, 17672, 18104, 22090, 22630, 27448, 29140, 34310, 44180, 45260, 58280, 68479, 68620, 88360, 90520, 106361, 136958, 137240, 161257, 212722, 273916, 322514, 342395, 425444, 531805, 547832, 645028, 684790, 806285, 850888, 1063610, 1290056, 1369580, 1612570, 2127220, 2739160, 3225140, 4254440, 4998967, 6450280, 9997934, 19995868, 24994835, 39991736, 49989670, 99979340, 199958680]

約数ペア:

[(1, 199958680), (2, 99979340), (4, 49989670), (5, 39991736), (8, 24994835), (10, 19995868), (20, 9997934), (31, 6450280), (40, 4998967), (47, 4254440), (62, 3225140), (73, 2739160), (94, 2127220), (124, 1612570), (146, 1369580), (155, 1290056), (188, 1063610), (235, 850888), (248, 806285), (292, 684790), (310, 645028), (365, 547832), (376, 531805), (470, 425444), (584, 342395), (620, 322514), (730, 273916), (940, 212722), (1240, 161257), (1457, 137240), (1460, 136958), (1880, 106361), (2209, 90520), (2263, 88360), (2914, 68620), (2920, 68479), (3431, 58280), (4418, 45260), (4526, 44180), (5828, 34310), (6862, 29140), (7285, 27448), (8836, 22630), (9052, 22090), (11045, 18104), (11315, 17672), (11656, 17155), (13724, 14570)]