42138800

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:247

約数の個数: 120

約数和(自身を含む): 112967472

約数和(自身を除く): 70828672

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 61, 80, 88, 100, 110, 122, 157, 176, 200, 220, 244, 275, 305, 314, 400, 440, 488, 550, 610, 628, 671, 785, 880, 976, 1100, 1220, 1256, 1342, 1525, 1570, 1727, 2200, 2440, 2512, 2684, 3050, 3140, 3355, 3454, 3925, 4400, 4880, 5368, 6100, 6280, 6710, 6908, 7850, 8635, 9577, 10736, 12200, 12560, 13420, 13816, 15700, 16775, 17270, 19154, 24400, 26840, 27632, 31400, 33550, 34540, 38308, 43175, 47885, 53680, 62800, 67100, 69080, 76616, 86350, 95770, 105347, 134200, 138160, 153232, 172700, 191540, 210694, 239425, 268400, 345400, 383080, 421388, 478850, 526735, 690800, 766160, 842776, 957700, 1053470, 1685552, 1915400, 2106940, 2633675, 3830800, 4213880, 5267350, 8427760, 10534700, 21069400, 42138800]

約数ペア:

[(1, 42138800), (2, 21069400), (4, 10534700), (5, 8427760), (8, 5267350), (10, 4213880), (11, 3830800), (16, 2633675), (20, 2106940), (22, 1915400), (25, 1685552), (40, 1053470), (44, 957700), (50, 842776), (55, 766160), (61, 690800), (80, 526735), (88, 478850), (100, 421388), (110, 383080), (122, 345400), (157, 268400), (176, 239425), (200, 210694), (220, 191540), (244, 172700), (275, 153232), (305, 138160), (314, 134200), (400, 105347), (440, 95770), (488, 86350), (550, 76616), (610, 69080), (628, 67100), (671, 62800), (785, 53680), (880, 47885), (976, 43175), (1100, 38308), (1220, 34540), (1256, 33550), (1342, 31400), (1525, 27632), (1570, 26840), (1727, 24400), (2200, 19154), (2440, 17270), (2512, 16775), (2684, 15700), (3050, 13816), (3140, 13420), (3355, 12560), (3454, 12200), (3925, 10736), (4400, 9577), (4880, 8635), (5368, 7850), (6100, 6908), (6280, 6710)]