3964280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 9676800

約数和(自身を除く): 5712520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 115, 124, 139, 155, 184, 230, 248, 278, 310, 460, 556, 620, 695, 713, 920, 1112, 1240, 1390, 1426, 2780, 2852, 3197, 3565, 4309, 5560, 5704, 6394, 7130, 8618, 12788, 14260, 15985, 17236, 21545, 25576, 28520, 31970, 34472, 43090, 63940, 86180, 99107, 127880, 172360, 198214, 396428, 495535, 792856, 991070, 1982140, 3964280]

約数ペア:

[(1, 3964280), (2, 1982140), (4, 991070), (5, 792856), (8, 495535), (10, 396428), (20, 198214), (23, 172360), (31, 127880), (40, 99107), (46, 86180), (62, 63940), (92, 43090), (115, 34472), (124, 31970), (139, 28520), (155, 25576), (184, 21545), (230, 17236), (248, 15985), (278, 14260), (310, 12788), (460, 8618), (556, 7130), (620, 6394), (695, 5704), (713, 5560), (920, 4309), (1112, 3565), (1240, 3197), (1390, 2852), (1426, 2780)]