82427800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{647}}^1$

素因数の和:690

約数の個数: 144

約数和(自身を含む): 240453360

約数和(自身を除く): 158025560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 49, 50, 52, 56, 65, 70, 91, 98, 100, 104, 130, 140, 175, 182, 196, 200, 245, 260, 280, 325, 350, 364, 392, 455, 490, 520, 637, 647, 650, 700, 728, 910, 980, 1225, 1274, 1294, 1300, 1400, 1820, 1960, 2275, 2450, 2548, 2588, 2600, 3185, 3235, 3640, 4529, 4550, 4900, 5096, 5176, 6370, 6470, 8411, 9058, 9100, 9800, 12740, 12940, 15925, 16175, 16822, 18116, 18200, 22645, 25480, 25880, 31703, 31850, 32350, 33644, 36232, 42055, 45290, 58877, 63406, 63700, 64700, 67288, 84110, 90580, 113225, 117754, 126812, 127400, 129400, 158515, 168220, 181160, 210275, 226450, 235508, 253624, 294385, 317030, 336440, 412139, 420550, 452900, 471016, 588770, 634060, 792575, 824278, 841100, 905800, 1177540, 1268120, 1471925, 1585150, 1648556, 1682200, 2060695, 2355080, 2943850, 3170300, 3297112, 4121390, 5887700, 6340600, 8242780, 10303475, 11775400, 16485560, 20606950, 41213900, 82427800]

約数ペア:

[(1, 82427800), (2, 41213900), (4, 20606950), (5, 16485560), (7, 11775400), (8, 10303475), (10, 8242780), (13, 6340600), (14, 5887700), (20, 4121390), (25, 3297112), (26, 3170300), (28, 2943850), (35, 2355080), (40, 2060695), (49, 1682200), (50, 1648556), (52, 1585150), (56, 1471925), (65, 1268120), (70, 1177540), (91, 905800), (98, 841100), (100, 824278), (104, 792575), (130, 634060), (140, 588770), (175, 471016), (182, 452900), (196, 420550), (200, 412139), (245, 336440), (260, 317030), (280, 294385), (325, 253624), (350, 235508), (364, 226450), (392, 210275), (455, 181160), (490, 168220), (520, 158515), (637, 129400), (647, 127400), (650, 126812), (700, 117754), (728, 113225), (910, 90580), (980, 84110), (1225, 67288), (1274, 64700), (1294, 63700), (1300, 63406), (1400, 58877), (1820, 45290), (1960, 42055), (2275, 36232), (2450, 33644), (2548, 32350), (2588, 31850), (2600, 31703), (3185, 25880), (3235, 25480), (3640, 22645), (4529, 18200), (4550, 18116), (4900, 16822), (5096, 16175), (5176, 15925), (6370, 12940), (6470, 12740), (8411, 9800), (9058, 9100)]