71307140

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{557}}^1$

素因数の和:776

約数の個数: 48

約数和(自身を含む): 154958832

約数和(自身を除く): 83651692

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 173, 185, 346, 370, 557, 692, 740, 865, 1114, 1730, 2228, 2785, 3460, 5570, 6401, 11140, 12802, 20609, 25604, 32005, 41218, 64010, 82436, 96361, 103045, 128020, 192722, 206090, 385444, 412180, 481805, 963610, 1927220, 3565357, 7130714, 14261428, 17826785, 35653570, 71307140]

約数ペア:

[(1, 71307140), (2, 35653570), (4, 17826785), (5, 14261428), (10, 7130714), (20, 3565357), (37, 1927220), (74, 963610), (148, 481805), (173, 412180), (185, 385444), (346, 206090), (370, 192722), (557, 128020), (692, 103045), (740, 96361), (865, 82436), (1114, 64010), (1730, 41218), (2228, 32005), (2785, 25604), (3460, 20609), (5570, 12802), (6401, 11140)]