87454220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{233}}^1\times {\mathrm{383}}^1$

素因数の和:639

約数の個数: 72

約数和(自身を含む): 215115264

約数和(自身を除く): 127661044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 233, 245, 383, 466, 490, 766, 932, 980, 1165, 1532, 1631, 1915, 2330, 2681, 3262, 3830, 4660, 5362, 6524, 7660, 8155, 10724, 11417, 13405, 16310, 18767, 22834, 26810, 32620, 37534, 45668, 53620, 57085, 75068, 89239, 93835, 114170, 178478, 187670, 228340, 356956, 375340, 446195, 624673, 892390, 1249346, 1784780, 2498692, 3123365, 4372711, 6246730, 8745422, 12493460, 17490844, 21863555, 43727110, 87454220]

約数ペア:

[(1, 87454220), (2, 43727110), (4, 21863555), (5, 17490844), (7, 12493460), (10, 8745422), (14, 6246730), (20, 4372711), (28, 3123365), (35, 2498692), (49, 1784780), (70, 1249346), (98, 892390), (140, 624673), (196, 446195), (233, 375340), (245, 356956), (383, 228340), (466, 187670), (490, 178478), (766, 114170), (932, 93835), (980, 89239), (1165, 75068), (1532, 57085), (1631, 53620), (1915, 45668), (2330, 37534), (2681, 32620), (3262, 26810), (3830, 22834), (4660, 18767), (5362, 16310), (6524, 13405), (7660, 11417), (8155, 10724)]