71349560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{349}}^1$

素因数の和:648

約数の個数: 64

約数和(自身を含む): 170100000

約数和(自身を除く): 98750440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 269, 349, 380, 538, 698, 760, 1076, 1345, 1396, 1745, 2152, 2690, 2792, 3490, 5111, 5380, 6631, 6980, 10222, 10760, 13262, 13960, 20444, 25555, 26524, 33155, 40888, 51110, 53048, 66310, 93881, 102220, 132620, 187762, 204440, 265240, 375524, 469405, 751048, 938810, 1783739, 1877620, 3567478, 3755240, 7134956, 8918695, 14269912, 17837390, 35674780, 71349560]

約数ペア:

[(1, 71349560), (2, 35674780), (4, 17837390), (5, 14269912), (8, 8918695), (10, 7134956), (19, 3755240), (20, 3567478), (38, 1877620), (40, 1783739), (76, 938810), (95, 751048), (152, 469405), (190, 375524), (269, 265240), (349, 204440), (380, 187762), (538, 132620), (698, 102220), (760, 93881), (1076, 66310), (1345, 53048), (1396, 51110), (1745, 40888), (2152, 33155), (2690, 26524), (2792, 25555), (3490, 20444), (5111, 13960), (5380, 13262), (6631, 10760), (6980, 10222)]