49211720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{359}}^1$

素因数の和:542

約数の個数: 64

約数和(自身を含む): 116640000

約数和(自身を除く): 67428280

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 149, 184, 230, 298, 359, 460, 596, 718, 745, 920, 1192, 1436, 1490, 1795, 2872, 2980, 3427, 3590, 5960, 6854, 7180, 8257, 13708, 14360, 16514, 17135, 27416, 33028, 34270, 41285, 53491, 66056, 68540, 82570, 106982, 137080, 165140, 213964, 267455, 330280, 427928, 534910, 1069820, 1230293, 2139640, 2460586, 4921172, 6151465, 9842344, 12302930, 24605860, 49211720]

約数ペア:

[(1, 49211720), (2, 24605860), (4, 12302930), (5, 9842344), (8, 6151465), (10, 4921172), (20, 2460586), (23, 2139640), (40, 1230293), (46, 1069820), (92, 534910), (115, 427928), (149, 330280), (184, 267455), (230, 213964), (298, 165140), (359, 137080), (460, 106982), (596, 82570), (718, 68540), (745, 66056), (920, 53491), (1192, 41285), (1436, 34270), (1490, 33028), (1795, 27416), (2872, 17135), (2980, 16514), (3427, 14360), (3590, 13708), (5960, 8257), (6854, 7180)]