77940280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{9323}}^1$

素因数の和:9364

約数の個数: 64

約数和(自身を含む): 201398400

約数和(自身を除く): 123458120

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 4180, 8360, 9323, 18646, 37292, 46615, 74584, 93230, 102553, 177137, 186460, 205106, 354274, 372920, 410212, 512765, 708548, 820424, 885685, 1025530, 1417096, 1771370, 1948507, 2051060, 3542740, 3897014, 4102120, 7085480, 7794028, 9742535, 15588056, 19485070, 38970140, 77940280]

約数ペア:

[(1, 77940280), (2, 38970140), (4, 19485070), (5, 15588056), (8, 9742535), (10, 7794028), (11, 7085480), (19, 4102120), (20, 3897014), (22, 3542740), (38, 2051060), (40, 1948507), (44, 1771370), (55, 1417096), (76, 1025530), (88, 885685), (95, 820424), (110, 708548), (152, 512765), (190, 410212), (209, 372920), (220, 354274), (380, 205106), (418, 186460), (440, 177137), (760, 102553), (836, 93230), (1045, 74584), (1672, 46615), (2090, 37292), (4180, 18646), (8360, 9323)]