81292700

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:351

約数の個数: 72

約数和(自身を含む): 183654912

約数和(自身を除く): 102362212

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 127, 148, 173, 185, 254, 346, 370, 508, 635, 692, 740, 865, 925, 1270, 1730, 1850, 2540, 3175, 3460, 3700, 4325, 4699, 6350, 6401, 8650, 9398, 12700, 12802, 17300, 18796, 21971, 23495, 25604, 32005, 43942, 46990, 64010, 87884, 93980, 109855, 117475, 128020, 160025, 219710, 234950, 320050, 439420, 469900, 549275, 640100, 812927, 1098550, 1625854, 2197100, 3251708, 4064635, 8129270, 16258540, 20323175, 40646350, 81292700]

約数ペア:

[(1, 81292700), (2, 40646350), (4, 20323175), (5, 16258540), (10, 8129270), (20, 4064635), (25, 3251708), (37, 2197100), (50, 1625854), (74, 1098550), (100, 812927), (127, 640100), (148, 549275), (173, 469900), (185, 439420), (254, 320050), (346, 234950), (370, 219710), (508, 160025), (635, 128020), (692, 117475), (740, 109855), (865, 93980), (925, 87884), (1270, 64010), (1730, 46990), (1850, 43942), (2540, 32005), (3175, 25604), (3460, 23495), (3700, 21971), (4325, 18796), (4699, 17300), (6350, 12802), (6401, 12700), (8650, 9398)]