252978920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{2621}}^1$

素因数の和:2778

約数の個数: 64

約数和(自身を含む): 604108800

約数和(自身を除く): 351129880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 127, 152, 190, 254, 380, 508, 635, 760, 1016, 1270, 2413, 2540, 2621, 4826, 5080, 5242, 9652, 10484, 12065, 13105, 19304, 20968, 24130, 26210, 48260, 49799, 52420, 96520, 99598, 104840, 199196, 248995, 332867, 398392, 497990, 665734, 995980, 1331468, 1664335, 1991960, 2662936, 3328670, 6324473, 6657340, 12648946, 13314680, 25297892, 31622365, 50595784, 63244730, 126489460, 252978920]

約数ペア:

[(1, 252978920), (2, 126489460), (4, 63244730), (5, 50595784), (8, 31622365), (10, 25297892), (19, 13314680), (20, 12648946), (38, 6657340), (40, 6324473), (76, 3328670), (95, 2662936), (127, 1991960), (152, 1664335), (190, 1331468), (254, 995980), (380, 665734), (508, 497990), (635, 398392), (760, 332867), (1016, 248995), (1270, 199196), (2413, 104840), (2540, 99598), (2621, 96520), (4826, 52420), (5080, 49799), (5242, 48260), (9652, 26210), (10484, 24130), (12065, 20968), (13105, 19304)]