128385400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^2$

素因数の和:174

約数の個数: 144

約数和(自身を含む): 355992840

約数和(自身を除く): 227607440

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 25, 26, 40, 44, 50, 52, 55, 65, 67, 88, 100, 104, 110, 130, 134, 143, 200, 220, 260, 268, 275, 286, 325, 335, 440, 520, 536, 550, 572, 650, 670, 715, 737, 871, 1100, 1144, 1300, 1340, 1430, 1474, 1675, 1742, 2200, 2600, 2680, 2860, 2948, 3350, 3484, 3575, 3685, 4355, 4489, 5720, 5896, 6700, 6968, 7150, 7370, 8710, 8978, 9581, 13400, 14300, 14740, 17420, 17956, 18425, 19162, 21775, 22445, 28600, 29480, 34840, 35912, 36850, 38324, 43550, 44890, 47905, 49379, 58357, 73700, 76648, 87100, 89780, 95810, 98758, 112225, 116714, 147400, 174200, 179560, 191620, 197516, 224450, 233428, 239525, 246895, 291785, 383240, 395032, 448900, 466856, 479050, 493790, 583570, 641927, 897800, 958100, 987580, 1167140, 1234475, 1283854, 1458925, 1916200, 1975160, 2334280, 2468950, 2567708, 2917850, 3209635, 4937900, 5135416, 5835700, 6419270, 9875800, 11671400, 12838540, 16048175, 25677080, 32096350, 64192700, 128385400]

約数ペア:

[(1, 128385400), (2, 64192700), (4, 32096350), (5, 25677080), (8, 16048175), (10, 12838540), (11, 11671400), (13, 9875800), (20, 6419270), (22, 5835700), (25, 5135416), (26, 4937900), (40, 3209635), (44, 2917850), (50, 2567708), (52, 2468950), (55, 2334280), (65, 1975160), (67, 1916200), (88, 1458925), (100, 1283854), (104, 1234475), (110, 1167140), (130, 987580), (134, 958100), (143, 897800), (200, 641927), (220, 583570), (260, 493790), (268, 479050), (275, 466856), (286, 448900), (325, 395032), (335, 383240), (440, 291785), (520, 246895), (536, 239525), (550, 233428), (572, 224450), (650, 197516), (670, 191620), (715, 179560), (737, 174200), (871, 147400), (1100, 116714), (1144, 112225), (1300, 98758), (1340, 95810), (1430, 89780), (1474, 87100), (1675, 76648), (1742, 73700), (2200, 58357), (2600, 49379), (2680, 47905), (2860, 44890), (2948, 43550), (3350, 38324), (3484, 36850), (3575, 35912), (3685, 34840), (4355, 29480), (4489, 28600), (5720, 22445), (5896, 21775), (6700, 19162), (6968, 18425), (7150, 17956), (7370, 17420), (8710, 14740), (8978, 14300), (9581, 13400)]