75121100

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:387

約数の個数: 72

約数和(自身を含む): 170197440

約数和(自身を除く): 95076340

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 79, 100, 148, 158, 185, 257, 316, 370, 395, 514, 740, 790, 925, 1028, 1285, 1580, 1850, 1975, 2570, 2923, 3700, 3950, 5140, 5846, 6425, 7900, 9509, 11692, 12850, 14615, 19018, 20303, 25700, 29230, 38036, 40606, 47545, 58460, 73075, 81212, 95090, 101515, 146150, 190180, 203030, 237725, 292300, 406060, 475450, 507575, 751211, 950900, 1015150, 1502422, 2030300, 3004844, 3756055, 7512110, 15024220, 18780275, 37560550, 75121100]

約数ペア:

[(1, 75121100), (2, 37560550), (4, 18780275), (5, 15024220), (10, 7512110), (20, 3756055), (25, 3004844), (37, 2030300), (50, 1502422), (74, 1015150), (79, 950900), (100, 751211), (148, 507575), (158, 475450), (185, 406060), (257, 292300), (316, 237725), (370, 203030), (395, 190180), (514, 146150), (740, 101515), (790, 95090), (925, 81212), (1028, 73075), (1285, 58460), (1580, 47545), (1850, 40606), (1975, 38036), (2570, 29230), (2923, 25700), (3700, 20303), (3950, 19018), (5140, 14615), (5846, 12850), (6425, 11692), (7900, 9509)]