856599440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{7349}}^1$

素因数の和:7440

約数の個数: 80

約数和(自身を含む): 2099865600

約数和(自身を除く): 1243266160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 47, 62, 80, 94, 124, 155, 188, 235, 248, 310, 376, 470, 496, 620, 752, 940, 1240, 1457, 1880, 2480, 2914, 3760, 5828, 7285, 7349, 11656, 14570, 14698, 23312, 29140, 29396, 36745, 58280, 58792, 73490, 116560, 117584, 146980, 227819, 293960, 345403, 455638, 587920, 690806, 911276, 1139095, 1381612, 1727015, 1822552, 2278190, 2763224, 3454030, 3645104, 4556380, 5526448, 6908060, 9112760, 10707493, 13816120, 18225520, 21414986, 27632240, 42829972, 53537465, 85659944, 107074930, 171319888, 214149860, 428299720, 856599440]

約数ペア:

[(1, 856599440), (2, 428299720), (4, 214149860), (5, 171319888), (8, 107074930), (10, 85659944), (16, 53537465), (20, 42829972), (31, 27632240), (40, 21414986), (47, 18225520), (62, 13816120), (80, 10707493), (94, 9112760), (124, 6908060), (155, 5526448), (188, 4556380), (235, 3645104), (248, 3454030), (310, 2763224), (376, 2278190), (470, 1822552), (496, 1727015), (620, 1381612), (752, 1139095), (940, 911276), (1240, 690806), (1457, 587920), (1880, 455638), (2480, 345403), (2914, 293960), (3760, 227819), (5828, 146980), (7285, 117584), (7349, 116560), (11656, 73490), (14570, 58792), (14698, 58280), (23312, 36745), (29140, 29396)]