199557760

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{16411}}^1$

素因数の和:16449

約数の個数: 64

約数和(自身を含む): 502207200

約数和(自身を除く): 302649440

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1520, 2432, 3040, 6080, 12160, 16411, 32822, 65644, 82055, 131288, 164110, 262576, 311809, 328220, 525152, 623618, 656440, 1050304, 1247236, 1312880, 1559045, 2100608, 2494472, 2625760, 3118090, 4988944, 5251520, 6236180, 9977888, 10503040, 12472360, 19955776, 24944720, 39911552, 49889440, 99778880, 199557760]

約数ペア:

[(1, 199557760), (2, 99778880), (4, 49889440), (5, 39911552), (8, 24944720), (10, 19955776), (16, 12472360), (19, 10503040), (20, 9977888), (32, 6236180), (38, 5251520), (40, 4988944), (64, 3118090), (76, 2625760), (80, 2494472), (95, 2100608), (128, 1559045), (152, 1312880), (160, 1247236), (190, 1050304), (304, 656440), (320, 623618), (380, 525152), (608, 328220), (640, 311809), (760, 262576), (1216, 164110), (1520, 131288), (2432, 82055), (3040, 65644), (6080, 32822), (12160, 16411)]