167955440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2351}}^1$

素因数の和:2430

約数の個数: 80

約数和(自身を含む): 419973120

約数和(自身を除く): 252017680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 47, 76, 80, 94, 95, 152, 188, 190, 235, 304, 376, 380, 470, 752, 760, 893, 940, 1520, 1786, 1880, 2351, 3572, 3760, 4465, 4702, 7144, 8930, 9404, 11755, 14288, 17860, 18808, 23510, 35720, 37616, 44669, 47020, 71440, 89338, 94040, 110497, 178676, 188080, 220994, 223345, 357352, 441988, 446690, 552485, 714704, 883976, 893380, 1104970, 1767952, 1786760, 2099443, 2209940, 3573520, 4198886, 4419880, 8397772, 8839760, 10497215, 16795544, 20994430, 33591088, 41988860, 83977720, 167955440]

約数ペア:

[(1, 167955440), (2, 83977720), (4, 41988860), (5, 33591088), (8, 20994430), (10, 16795544), (16, 10497215), (19, 8839760), (20, 8397772), (38, 4419880), (40, 4198886), (47, 3573520), (76, 2209940), (80, 2099443), (94, 1786760), (95, 1767952), (152, 1104970), (188, 893380), (190, 883976), (235, 714704), (304, 552485), (376, 446690), (380, 441988), (470, 357352), (752, 223345), (760, 220994), (893, 188080), (940, 178676), (1520, 110497), (1786, 94040), (1880, 89338), (2351, 71440), (3572, 47020), (3760, 44669), (4465, 37616), (4702, 35720), (7144, 23510), (8930, 18808), (9404, 17860), (11755, 14288)]