251671040

素因数分解:

$2^9\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2657}}^1$

素因数の和:2717

約数の個数: 80

約数和(自身を含む): 619962552

約数和(自身を除く): 368291512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 256, 296, 320, 370, 512, 592, 640, 740, 1184, 1280, 1480, 2368, 2560, 2657, 2960, 4736, 5314, 5920, 9472, 10628, 11840, 13285, 18944, 21256, 23680, 26570, 42512, 47360, 53140, 85024, 94720, 98309, 106280, 170048, 196618, 212560, 340096, 393236, 425120, 491545, 680192, 786472, 850240, 983090, 1360384, 1572944, 1700480, 1966180, 3145888, 3400960, 3932360, 6291776, 6801920, 7864720, 12583552, 15729440, 25167104, 31458880, 50334208, 62917760, 125835520, 251671040]

約数ペア:

[(1, 251671040), (2, 125835520), (4, 62917760), (5, 50334208), (8, 31458880), (10, 25167104), (16, 15729440), (20, 12583552), (32, 7864720), (37, 6801920), (40, 6291776), (64, 3932360), (74, 3400960), (80, 3145888), (128, 1966180), (148, 1700480), (160, 1572944), (185, 1360384), (256, 983090), (296, 850240), (320, 786472), (370, 680192), (512, 491545), (592, 425120), (640, 393236), (740, 340096), (1184, 212560), (1280, 196618), (1480, 170048), (2368, 106280), (2560, 98309), (2657, 94720), (2960, 85024), (4736, 53140), (5314, 47360), (5920, 42512), (9472, 26570), (10628, 23680), (11840, 21256), (13285, 18944)]