1997787680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{349}}^1$

素因数の和:659

約数の個数: 192

約数和(自身を含む): 5715360000

約数和(自身を除く): 3717572320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 266, 269, 280, 304, 349, 380, 532, 538, 560, 608, 665, 698, 760, 1064, 1076, 1120, 1330, 1345, 1396, 1520, 1745, 1883, 2128, 2152, 2443, 2660, 2690, 2792, 3040, 3490, 3766, 4256, 4304, 4886, 5111, 5320, 5380, 5584, 6631, 6980, 7532, 8608, 9415, 9772, 10222, 10640, 10760, 11168, 12215, 13262, 13960, 15064, 18830, 19544, 20444, 21280, 21520, 24430, 25555, 26524, 27920, 30128, 33155, 35777, 37660, 39088, 40888, 43040, 46417, 48860, 51110, 53048, 55840, 60256, 66310, 71554, 75320, 78176, 81776, 92834, 93881, 97720, 102220, 106096, 132620, 143108, 150640, 163552, 178885, 185668, 187762, 195440, 204440, 212192, 232085, 265240, 286216, 301280, 357770, 371336, 375524, 390880, 408880, 464170, 469405, 530480, 572432, 657167, 715540, 742672, 751048, 817760, 928340, 938810, 1060960, 1144864, 1314334, 1431080, 1485344, 1502096, 1783739, 1856680, 1877620, 2628668, 2862160, 3004192, 3285835, 3567478, 3713360, 3755240, 5257336, 5724320, 6571670, 7134956, 7426720, 7510480, 8918695, 10514672, 12486173, 13143340, 14269912, 15020960, 17837390, 21029344, 24972346, 26286680, 28539824, 35674780, 49944692, 52573360, 57079648, 62430865, 71349560, 99889384, 105146720, 124861730, 142699120, 199778768, 249723460, 285398240, 399557536, 499446920, 998893840, 1997787680]

約数ペア:

[(1, 1997787680), (2, 998893840), (4, 499446920), (5, 399557536), (7, 285398240), (8, 249723460), (10, 199778768), (14, 142699120), (16, 124861730), (19, 105146720), (20, 99889384), (28, 71349560), (32, 62430865), (35, 57079648), (38, 52573360), (40, 49944692), (56, 35674780), (70, 28539824), (76, 26286680), (80, 24972346), (95, 21029344), (112, 17837390), (133, 15020960), (140, 14269912), (152, 13143340), (160, 12486173), (190, 10514672), (224, 8918695), (266, 7510480), (269, 7426720), (280, 7134956), (304, 6571670), (349, 5724320), (380, 5257336), (532, 3755240), (538, 3713360), (560, 3567478), (608, 3285835), (665, 3004192), (698, 2862160), (760, 2628668), (1064, 1877620), (1076, 1856680), (1120, 1783739), (1330, 1502096), (1345, 1485344), (1396, 1431080), (1520, 1314334), (1745, 1144864), (1883, 1060960), (2128, 938810), (2152, 928340), (2443, 817760), (2660, 751048), (2690, 742672), (2792, 715540), (3040, 657167), (3490, 572432), (3766, 530480), (4256, 469405), (4304, 464170), (4886, 408880), (5111, 390880), (5320, 375524), (5380, 371336), (5584, 357770), (6631, 301280), (6980, 286216), (7532, 265240), (8608, 232085), (9415, 212192), (9772, 204440), (10222, 195440), (10640, 187762), (10760, 185668), (11168, 178885), (12215, 163552), (13262, 150640), (13960, 143108), (15064, 132620), (18830, 106096), (19544, 102220), (20444, 97720), (21280, 93881), (21520, 92834), (24430, 81776), (25555, 78176), (26524, 75320), (27920, 71554), (30128, 66310), (33155, 60256), (35777, 55840), (37660, 53048), (39088, 51110), (40888, 48860), (43040, 46417)]