395325440

素因数分解:

$2^{12}\times 5^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:325

約数の個数: 104

約数和(自身を含む): 963261600

約数和(自身を除く): 567936160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 128, 160, 194, 199, 256, 320, 388, 398, 485, 512, 640, 776, 796, 970, 995, 1024, 1280, 1552, 1592, 1940, 1990, 2048, 2560, 3104, 3184, 3880, 3980, 4096, 5120, 6208, 6368, 7760, 7960, 10240, 12416, 12736, 15520, 15920, 19303, 20480, 24832, 25472, 31040, 31840, 38606, 49664, 50944, 62080, 63680, 77212, 96515, 99328, 101888, 124160, 127360, 154424, 193030, 198656, 203776, 248320, 254720, 308848, 386060, 397312, 407552, 496640, 509440, 617696, 772120, 815104, 993280, 1018880, 1235392, 1544240, 1986560, 2037760, 2470784, 3088480, 4075520, 4941568, 6176960, 9883136, 12353920, 19766272, 24707840, 39532544, 49415680, 79065088, 98831360, 197662720, 395325440]

約数ペア:

[(1, 395325440), (2, 197662720), (4, 98831360), (5, 79065088), (8, 49415680), (10, 39532544), (16, 24707840), (20, 19766272), (32, 12353920), (40, 9883136), (64, 6176960), (80, 4941568), (97, 4075520), (128, 3088480), (160, 2470784), (194, 2037760), (199, 1986560), (256, 1544240), (320, 1235392), (388, 1018880), (398, 993280), (485, 815104), (512, 772120), (640, 617696), (776, 509440), (796, 496640), (970, 407552), (995, 397312), (1024, 386060), (1280, 308848), (1552, 254720), (1592, 248320), (1940, 203776), (1990, 198656), (2048, 193030), (2560, 154424), (3104, 127360), (3184, 124160), (3880, 101888), (3980, 99328), (4096, 96515), (5120, 77212), (6208, 63680), (6368, 62080), (7760, 50944), (7960, 49664), (10240, 38606), (12416, 31840), (12736, 31040), (15520, 25472), (15920, 24832), (19303, 20480)]