259193480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2297}}^1$

素因数の和:2359

約数の個数: 128

約数和(自身を含む): 741242880

約数和(自身を除く): 482049400

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 520, 620, 728, 806, 868, 910, 1085, 1240, 1612, 1736, 1820, 2015, 2170, 2297, 2821, 3224, 3640, 4030, 4340, 4594, 5642, 8060, 8680, 9188, 11284, 11485, 14105, 16079, 16120, 18376, 22568, 22970, 28210, 29861, 32158, 45940, 56420, 59722, 64316, 71207, 80395, 91880, 112840, 119444, 128632, 142414, 149305, 160790, 209027, 238888, 284828, 298610, 321580, 356035, 418054, 498449, 569656, 597220, 643160, 712070, 836108, 925691, 996898, 1045135, 1194440, 1424140, 1672216, 1851382, 1993796, 2090270, 2492245, 2848280, 3702764, 3987592, 4180540, 4628455, 4984490, 6479837, 7405528, 8361080, 9256910, 9968980, 12959674, 18513820, 19937960, 25919348, 32399185, 37027640, 51838696, 64798370, 129596740, 259193480]

約数ペア:

[(1, 259193480), (2, 129596740), (4, 64798370), (5, 51838696), (7, 37027640), (8, 32399185), (10, 25919348), (13, 19937960), (14, 18513820), (20, 12959674), (26, 9968980), (28, 9256910), (31, 8361080), (35, 7405528), (40, 6479837), (52, 4984490), (56, 4628455), (62, 4180540), (65, 3987592), (70, 3702764), (91, 2848280), (104, 2492245), (124, 2090270), (130, 1993796), (140, 1851382), (155, 1672216), (182, 1424140), (217, 1194440), (248, 1045135), (260, 996898), (280, 925691), (310, 836108), (364, 712070), (403, 643160), (434, 597220), (455, 569656), (520, 498449), (620, 418054), (728, 356035), (806, 321580), (868, 298610), (910, 284828), (1085, 238888), (1240, 209027), (1612, 160790), (1736, 149305), (1820, 142414), (2015, 128632), (2170, 119444), (2297, 112840), (2821, 91880), (3224, 80395), (3640, 71207), (4030, 64316), (4340, 59722), (4594, 56420), (5642, 45940), (8060, 32158), (8680, 29861), (9188, 28210), (11284, 22970), (11485, 22568), (14105, 18376), (16079, 16120)]