217705280

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{887}}^1$

素因数の和:976

約数の個数: 112

約数和(自身を含む): 568391040

約数和(自身を除く): 350685760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 59, 64, 65, 80, 104, 118, 130, 160, 208, 236, 260, 295, 320, 416, 472, 520, 590, 767, 832, 887, 944, 1040, 1180, 1534, 1774, 1888, 2080, 2360, 3068, 3548, 3776, 3835, 4160, 4435, 4720, 6136, 7096, 7670, 8870, 9440, 11531, 12272, 14192, 15340, 17740, 18880, 23062, 24544, 28384, 30680, 35480, 46124, 49088, 52333, 56768, 57655, 61360, 70960, 92248, 104666, 115310, 122720, 141920, 184496, 209332, 230620, 245440, 261665, 283840, 368992, 418664, 461240, 523330, 680329, 737984, 837328, 922480, 1046660, 1360658, 1674656, 1844960, 2093320, 2721316, 3349312, 3401645, 3689920, 4186640, 5442632, 6803290, 8373280, 10885264, 13606580, 16746560, 21770528, 27213160, 43541056, 54426320, 108852640, 217705280]

約数ペア:

[(1, 217705280), (2, 108852640), (4, 54426320), (5, 43541056), (8, 27213160), (10, 21770528), (13, 16746560), (16, 13606580), (20, 10885264), (26, 8373280), (32, 6803290), (40, 5442632), (52, 4186640), (59, 3689920), (64, 3401645), (65, 3349312), (80, 2721316), (104, 2093320), (118, 1844960), (130, 1674656), (160, 1360658), (208, 1046660), (236, 922480), (260, 837328), (295, 737984), (320, 680329), (416, 523330), (472, 461240), (520, 418664), (590, 368992), (767, 283840), (832, 261665), (887, 245440), (944, 230620), (1040, 209332), (1180, 184496), (1534, 141920), (1774, 122720), (1888, 115310), (2080, 104666), (2360, 92248), (3068, 70960), (3548, 61360), (3776, 57655), (3835, 56768), (4160, 52333), (4435, 49088), (4720, 46124), (6136, 35480), (7096, 30680), (7670, 28384), (8870, 24544), (9440, 23062), (11531, 18880), (12272, 17740), (14192, 15340)]