129370400

素因数分解:

$2^5\times 5^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:211

約数の個数: 144

約数和(自身を含む): 337478400

約数和(自身を除く): 208108000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 79, 80, 89, 92, 100, 115, 158, 160, 178, 184, 200, 230, 316, 356, 368, 395, 400, 445, 460, 575, 632, 712, 736, 790, 800, 890, 920, 1150, 1264, 1424, 1580, 1780, 1817, 1840, 1975, 2047, 2225, 2300, 2528, 2848, 3160, 3560, 3634, 3680, 3950, 4094, 4450, 4600, 6320, 7031, 7120, 7268, 7900, 8188, 8900, 9085, 9200, 10235, 12640, 14062, 14240, 14536, 15800, 16376, 17800, 18170, 18400, 20470, 28124, 29072, 31600, 32752, 35155, 35600, 36340, 40940, 45425, 51175, 56248, 58144, 63200, 65504, 70310, 71200, 72680, 81880, 90850, 102350, 112496, 140620, 145360, 161713, 163760, 175775, 181700, 204700, 224992, 281240, 290720, 323426, 327520, 351550, 363400, 409400, 562480, 646852, 703100, 726800, 808565, 818800, 1124960, 1293704, 1406200, 1453600, 1617130, 1637600, 2587408, 2812400, 3234260, 4042825, 5174816, 5624800, 6468520, 8085650, 12937040, 16171300, 25874080, 32342600, 64685200, 129370400]

約数ペア:

[(1, 129370400), (2, 64685200), (4, 32342600), (5, 25874080), (8, 16171300), (10, 12937040), (16, 8085650), (20, 6468520), (23, 5624800), (25, 5174816), (32, 4042825), (40, 3234260), (46, 2812400), (50, 2587408), (79, 1637600), (80, 1617130), (89, 1453600), (92, 1406200), (100, 1293704), (115, 1124960), (158, 818800), (160, 808565), (178, 726800), (184, 703100), (200, 646852), (230, 562480), (316, 409400), (356, 363400), (368, 351550), (395, 327520), (400, 323426), (445, 290720), (460, 281240), (575, 224992), (632, 204700), (712, 181700), (736, 175775), (790, 163760), (800, 161713), (890, 145360), (920, 140620), (1150, 112496), (1264, 102350), (1424, 90850), (1580, 81880), (1780, 72680), (1817, 71200), (1840, 70310), (1975, 65504), (2047, 63200), (2225, 58144), (2300, 56248), (2528, 51175), (2848, 45425), (3160, 40940), (3560, 36340), (3634, 35600), (3680, 35155), (3950, 32752), (4094, 31600), (4450, 29072), (4600, 28124), (6320, 20470), (7031, 18400), (7120, 18170), (7268, 17800), (7900, 16376), (8188, 15800), (8900, 14536), (9085, 14240), (9200, 14062), (10235, 12640)]