137939900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{28151}}^1$

素因数の和:28179

約数の個数: 54

約数和(自身を含む): 348212088

約数和(自身を除く): 210272188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 28151, 56302, 112604, 140755, 197057, 281510, 394114, 563020, 703775, 788228, 985285, 1379399, 1407550, 1970570, 2758798, 2815100, 3941140, 4926425, 5517596, 6896995, 9852850, 13793990, 19705700, 27587980, 34484975, 68969950, 137939900]

約数ペア:

[(1, 137939900), (2, 68969950), (4, 34484975), (5, 27587980), (7, 19705700), (10, 13793990), (14, 9852850), (20, 6896995), (25, 5517596), (28, 4926425), (35, 3941140), (49, 2815100), (50, 2758798), (70, 1970570), (98, 1407550), (100, 1379399), (140, 985285), (175, 788228), (196, 703775), (245, 563020), (350, 394114), (490, 281510), (700, 197057), (980, 140755), (1225, 112604), (2450, 56302), (4900, 28151)]