285398240

素因数分解:

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

素因数の和:652

約数の個数: 96

約数和(自身を含む): 714420000

約数和(自身を除く): 429021760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 269, 304, 349, 380, 538, 608, 698, 760, 1076, 1345, 1396, 1520, 1745, 2152, 2690, 2792, 3040, 3490, 4304, 5111, 5380, 5584, 6631, 6980, 8608, 10222, 10760, 11168, 13262, 13960, 20444, 21520, 25555, 26524, 27920, 33155, 40888, 43040, 51110, 53048, 55840, 66310, 81776, 93881, 102220, 106096, 132620, 163552, 187762, 204440, 212192, 265240, 375524, 408880, 469405, 530480, 751048, 817760, 938810, 1060960, 1502096, 1783739, 1877620, 3004192, 3567478, 3755240, 7134956, 7510480, 8918695, 14269912, 15020960, 17837390, 28539824, 35674780, 57079648, 71349560, 142699120, 285398240]

約数ペア:

[(1, 285398240), (2, 142699120), (4, 71349560), (5, 57079648), (8, 35674780), (10, 28539824), (16, 17837390), (19, 15020960), (20, 14269912), (32, 8918695), (38, 7510480), (40, 7134956), (76, 3755240), (80, 3567478), (95, 3004192), (152, 1877620), (160, 1783739), (190, 1502096), (269, 1060960), (304, 938810), (349, 817760), (380, 751048), (538, 530480), (608, 469405), (698, 408880), (760, 375524), (1076, 265240), (1345, 212192), (1396, 204440), (1520, 187762), (1745, 163552), (2152, 132620), (2690, 106096), (2792, 102220), (3040, 93881), (3490, 81776), (4304, 66310), (5111, 55840), (5380, 53048), (5584, 51110), (6631, 43040), (6980, 40888), (8608, 33155), (10222, 27920), (10760, 26524), (11168, 25555), (13262, 21520), (13960, 20444)]