440913090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{491}}^1\times {\mathrm{809}}^1$

素因数の和:1347

約数の個数: 64

約数和(自身を含む): 1090350720

約数和(自身を除く): 649437630

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 185, 222, 370, 491, 555, 809, 982, 1110, 1473, 1618, 2427, 2455, 2946, 4045, 4854, 4910, 7365, 8090, 12135, 14730, 18167, 24270, 29933, 36334, 54501, 59866, 89799, 90835, 109002, 149665, 179598, 181670, 272505, 299330, 397219, 448995, 545010, 794438, 897990, 1191657, 1986095, 2383314, 3972190, 5958285, 11916570, 14697103, 29394206, 44091309, 73485515, 88182618, 146971030, 220456545, 440913090]

約数ペア:

[(1, 440913090), (2, 220456545), (3, 146971030), (5, 88182618), (6, 73485515), (10, 44091309), (15, 29394206), (30, 14697103), (37, 11916570), (74, 5958285), (111, 3972190), (185, 2383314), (222, 1986095), (370, 1191657), (491, 897990), (555, 794438), (809, 545010), (982, 448995), (1110, 397219), (1473, 299330), (1618, 272505), (2427, 181670), (2455, 179598), (2946, 149665), (4045, 109002), (4854, 90835), (4910, 89799), (7365, 59866), (8090, 54501), (12135, 36334), (14730, 29933), (18167, 24270)]