397752080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23789}}^1$

素因数の和:23832

約数の個数: 80

約数和(自身を含む): 1061985600

約数和(自身を除く): 664233520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3344, 4180, 8360, 16720, 23789, 47578, 95156, 118945, 190312, 237890, 261679, 380624, 451991, 475780, 523358, 903982, 951560, 1046716, 1308395, 1807964, 1903120, 2093432, 2259955, 2616790, 3615928, 4186864, 4519910, 4971901, 5233580, 7231856, 9039820, 9943802, 10467160, 18079640, 19887604, 20934320, 24859505, 36159280, 39775208, 49719010, 79550416, 99438020, 198876040, 397752080]

約数ペア:

[(1, 397752080), (2, 198876040), (4, 99438020), (5, 79550416), (8, 49719010), (10, 39775208), (11, 36159280), (16, 24859505), (19, 20934320), (20, 19887604), (22, 18079640), (38, 10467160), (40, 9943802), (44, 9039820), (55, 7231856), (76, 5233580), (80, 4971901), (88, 4519910), (95, 4186864), (110, 3615928), (152, 2616790), (176, 2259955), (190, 2093432), (209, 1903120), (220, 1807964), (304, 1308395), (380, 1046716), (418, 951560), (440, 903982), (760, 523358), (836, 475780), (880, 451991), (1045, 380624), (1520, 261679), (1672, 237890), (2090, 190312), (3344, 118945), (4180, 95156), (8360, 47578), (16720, 23789)]