87322900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:350

約数の個数: 108

約数和(自身を含む): 224423136

約数和(自身を除く): 137100236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 71, 98, 100, 140, 142, 175, 196, 245, 251, 284, 350, 355, 490, 497, 502, 700, 710, 980, 994, 1004, 1225, 1255, 1420, 1757, 1775, 1988, 2450, 2485, 2510, 3479, 3514, 3550, 4900, 4970, 5020, 6275, 6958, 7028, 7100, 8785, 9940, 12299, 12425, 12550, 13916, 17395, 17570, 17821, 24598, 24850, 25100, 34790, 35140, 35642, 43925, 49196, 49700, 61495, 69580, 71284, 86975, 87850, 89105, 122990, 124747, 173950, 175700, 178210, 245980, 249494, 307475, 347900, 356420, 445525, 498988, 614950, 623735, 873229, 891050, 1229900, 1247470, 1746458, 1782100, 2494940, 3118675, 3492916, 4366145, 6237350, 8732290, 12474700, 17464580, 21830725, 43661450, 87322900]

約数ペア:

[(1, 87322900), (2, 43661450), (4, 21830725), (5, 17464580), (7, 12474700), (10, 8732290), (14, 6237350), (20, 4366145), (25, 3492916), (28, 3118675), (35, 2494940), (49, 1782100), (50, 1746458), (70, 1247470), (71, 1229900), (98, 891050), (100, 873229), (140, 623735), (142, 614950), (175, 498988), (196, 445525), (245, 356420), (251, 347900), (284, 307475), (350, 249494), (355, 245980), (490, 178210), (497, 175700), (502, 173950), (700, 124747), (710, 122990), (980, 89105), (994, 87850), (1004, 86975), (1225, 71284), (1255, 69580), (1420, 61495), (1757, 49700), (1775, 49196), (1988, 43925), (2450, 35642), (2485, 35140), (2510, 34790), (3479, 25100), (3514, 24850), (3550, 24598), (4900, 17821), (4970, 17570), (5020, 17395), (6275, 13916), (6958, 12550), (7028, 12425), (7100, 12299), (8785, 9940)]