18785600

素因数分解:

$2^6\times 5^2\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:280

約数の個数: 84

約数和(自身を含む): 47244000

約数和(自身を除く): 28458400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 59, 64, 80, 100, 118, 160, 199, 200, 236, 295, 320, 398, 400, 472, 590, 796, 800, 944, 995, 1180, 1475, 1592, 1600, 1888, 1990, 2360, 2950, 3184, 3776, 3980, 4720, 4975, 5900, 6368, 7960, 9440, 9950, 11741, 11800, 12736, 15920, 18880, 19900, 23482, 23600, 31840, 39800, 46964, 47200, 58705, 63680, 79600, 93928, 94400, 117410, 159200, 187856, 234820, 293525, 318400, 375712, 469640, 587050, 751424, 939280, 1174100, 1878560, 2348200, 3757120, 4696400, 9392800, 18785600]

約数ペア:

[(1, 18785600), (2, 9392800), (4, 4696400), (5, 3757120), (8, 2348200), (10, 1878560), (16, 1174100), (20, 939280), (25, 751424), (32, 587050), (40, 469640), (50, 375712), (59, 318400), (64, 293525), (80, 234820), (100, 187856), (118, 159200), (160, 117410), (199, 94400), (200, 93928), (236, 79600), (295, 63680), (320, 58705), (398, 47200), (400, 46964), (472, 39800), (590, 31840), (796, 23600), (800, 23482), (944, 19900), (995, 18880), (1180, 15920), (1475, 12736), (1592, 11800), (1600, 11741), (1888, 9950), (1990, 9440), (2360, 7960), (2950, 6368), (3184, 5900), (3776, 4975), (3980, 4720)]