2851909480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{4159}}^1$

素因数の和:4287

約数の個数: 128

約数和(自身を含む): 7667712000

約数和(自身を除く): 4815802520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 79, 124, 140, 155, 158, 217, 248, 280, 310, 316, 395, 434, 553, 620, 632, 790, 868, 1085, 1106, 1240, 1580, 1736, 2170, 2212, 2449, 2765, 3160, 4159, 4340, 4424, 4898, 5530, 8318, 8680, 9796, 11060, 12245, 16636, 17143, 19592, 20795, 22120, 24490, 29113, 33272, 34286, 41590, 48980, 58226, 68572, 83180, 85715, 97960, 116452, 128929, 137144, 145565, 166360, 171430, 232904, 257858, 291130, 328561, 342860, 515716, 582260, 644645, 657122, 685720, 902503, 1031432, 1164520, 1289290, 1314244, 1642805, 1805006, 2299927, 2578580, 2628488, 3285610, 3610012, 4512515, 4599854, 5157160, 6571220, 7220024, 9025030, 9199708, 10185391, 11499635, 13142440, 18050060, 18399416, 20370782, 22999270, 36100120, 40741564, 45998540, 50926955, 71297737, 81483128, 91997080, 101853910, 142595474, 203707820, 285190948, 356488685, 407415640, 570381896, 712977370, 1425954740, 2851909480]

約数ペア:

[(1, 2851909480), (2, 1425954740), (4, 712977370), (5, 570381896), (7, 407415640), (8, 356488685), (10, 285190948), (14, 203707820), (20, 142595474), (28, 101853910), (31, 91997080), (35, 81483128), (40, 71297737), (56, 50926955), (62, 45998540), (70, 40741564), (79, 36100120), (124, 22999270), (140, 20370782), (155, 18399416), (158, 18050060), (217, 13142440), (248, 11499635), (280, 10185391), (310, 9199708), (316, 9025030), (395, 7220024), (434, 6571220), (553, 5157160), (620, 4599854), (632, 4512515), (790, 3610012), (868, 3285610), (1085, 2628488), (1106, 2578580), (1240, 2299927), (1580, 1805006), (1736, 1642805), (2170, 1314244), (2212, 1289290), (2449, 1164520), (2765, 1031432), (3160, 902503), (4159, 685720), (4340, 657122), (4424, 644645), (4898, 582260), (5530, 515716), (8318, 342860), (8680, 328561), (9796, 291130), (11060, 257858), (12245, 232904), (16636, 171430), (17143, 166360), (19592, 145565), (20795, 137144), (22120, 128929), (24490, 116452), (29113, 97960), (33272, 85715), (34286, 83180), (41590, 68572), (48980, 58226)]