147738680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{557}}^1$

素因数の和:936

約数の個数: 64

約数和(自身を含む): 351540000

約数和(自身を除く): 203801320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 349, 380, 557, 698, 760, 1114, 1396, 1745, 2228, 2785, 2792, 3490, 4456, 5570, 6631, 6980, 10583, 11140, 13262, 13960, 21166, 22280, 26524, 33155, 42332, 52915, 53048, 66310, 84664, 105830, 132620, 194393, 211660, 265240, 388786, 423320, 777572, 971965, 1555144, 1943930, 3693467, 3887860, 7386934, 7775720, 14773868, 18467335, 29547736, 36934670, 73869340, 147738680]

約数ペア:

[(1, 147738680), (2, 73869340), (4, 36934670), (5, 29547736), (8, 18467335), (10, 14773868), (19, 7775720), (20, 7386934), (38, 3887860), (40, 3693467), (76, 1943930), (95, 1555144), (152, 971965), (190, 777572), (349, 423320), (380, 388786), (557, 265240), (698, 211660), (760, 194393), (1114, 132620), (1396, 105830), (1745, 84664), (2228, 66310), (2785, 53048), (2792, 52915), (3490, 42332), (4456, 33155), (5570, 26524), (6631, 22280), (6980, 21166), (10583, 13960), (11140, 13262)]