78376900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:194

約数の個数: 144

約数和(自身を含む): 209986560

約数和(自身を除く): 131609660

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 50, 70, 71, 76, 83, 95, 100, 133, 140, 142, 166, 175, 190, 266, 284, 332, 350, 355, 380, 415, 475, 497, 532, 581, 665, 700, 710, 830, 950, 994, 1162, 1330, 1349, 1420, 1577, 1660, 1775, 1900, 1988, 2075, 2324, 2485, 2660, 2698, 2905, 3154, 3325, 3550, 4150, 4970, 5396, 5810, 5893, 6308, 6650, 6745, 7100, 7885, 8300, 9443, 9940, 11039, 11620, 11786, 12425, 13300, 13490, 14525, 15770, 18886, 22078, 23572, 24850, 26980, 29050, 29465, 31540, 33725, 37772, 39425, 41251, 44156, 47215, 49700, 55195, 58100, 58930, 67450, 78850, 82502, 94430, 110390, 111967, 117860, 134900, 147325, 157700, 165004, 188860, 206255, 220780, 223934, 236075, 275975, 294650, 412510, 447868, 472150, 551950, 559835, 589300, 783769, 825020, 944300, 1031275, 1103900, 1119670, 1567538, 2062550, 2239340, 2799175, 3135076, 3918845, 4125100, 5598350, 7837690, 11196700, 15675380, 19594225, 39188450, 78376900]

約数ペア:

[(1, 78376900), (2, 39188450), (4, 19594225), (5, 15675380), (7, 11196700), (10, 7837690), (14, 5598350), (19, 4125100), (20, 3918845), (25, 3135076), (28, 2799175), (35, 2239340), (38, 2062550), (50, 1567538), (70, 1119670), (71, 1103900), (76, 1031275), (83, 944300), (95, 825020), (100, 783769), (133, 589300), (140, 559835), (142, 551950), (166, 472150), (175, 447868), (190, 412510), (266, 294650), (284, 275975), (332, 236075), (350, 223934), (355, 220780), (380, 206255), (415, 188860), (475, 165004), (497, 157700), (532, 147325), (581, 134900), (665, 117860), (700, 111967), (710, 110390), (830, 94430), (950, 82502), (994, 78850), (1162, 67450), (1330, 58930), (1349, 58100), (1420, 55195), (1577, 49700), (1660, 47215), (1775, 44156), (1900, 41251), (1988, 39425), (2075, 37772), (2324, 33725), (2485, 31540), (2660, 29465), (2698, 29050), (2905, 26980), (3154, 24850), (3325, 23572), (3550, 22078), (4150, 18886), (4970, 15770), (5396, 14525), (5810, 13490), (5893, 13300), (6308, 12425), (6650, 11786), (6745, 11620), (7100, 11039), (7885, 9940), (8300, 9443)]