840846860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1231}}^1$

素因数の和:1312

約数の個数: 144

約数和(自身を含む): 2229752448

約数和(自身を除く): 1388905588

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 41, 49, 68, 70, 82, 85, 98, 119, 140, 164, 170, 196, 205, 238, 245, 287, 340, 410, 476, 490, 574, 595, 697, 820, 833, 980, 1148, 1190, 1231, 1394, 1435, 1666, 2009, 2380, 2462, 2788, 2870, 3332, 3485, 4018, 4165, 4879, 4924, 5740, 6155, 6970, 8036, 8330, 8617, 9758, 10045, 12310, 13940, 16660, 17234, 19516, 20090, 20927, 24395, 24620, 34153, 34468, 40180, 41854, 43085, 48790, 50471, 60319, 68306, 83708, 86170, 97580, 100942, 104635, 120638, 136612, 146489, 170765, 172340, 201884, 209270, 241276, 252355, 292978, 301595, 341530, 353297, 418540, 504710, 585956, 603190, 683060, 706594, 732445, 858007, 1009420, 1025423, 1206380, 1413188, 1464890, 1716014, 1766485, 2050846, 2473079, 2929780, 3432028, 3532970, 4101692, 4290035, 4946158, 5127115, 6006049, 7065940, 8580070, 9892316, 10254230, 12012098, 12365395, 17160140, 20508460, 24024196, 24730790, 30030245, 42042343, 49461580, 60060490, 84084686, 120120980, 168169372, 210211715, 420423430, 840846860]

約数ペア:

[(1, 840846860), (2, 420423430), (4, 210211715), (5, 168169372), (7, 120120980), (10, 84084686), (14, 60060490), (17, 49461580), (20, 42042343), (28, 30030245), (34, 24730790), (35, 24024196), (41, 20508460), (49, 17160140), (68, 12365395), (70, 12012098), (82, 10254230), (85, 9892316), (98, 8580070), (119, 7065940), (140, 6006049), (164, 5127115), (170, 4946158), (196, 4290035), (205, 4101692), (238, 3532970), (245, 3432028), (287, 2929780), (340, 2473079), (410, 2050846), (476, 1766485), (490, 1716014), (574, 1464890), (595, 1413188), (697, 1206380), (820, 1025423), (833, 1009420), (980, 858007), (1148, 732445), (1190, 706594), (1231, 683060), (1394, 603190), (1435, 585956), (1666, 504710), (2009, 418540), (2380, 353297), (2462, 341530), (2788, 301595), (2870, 292978), (3332, 252355), (3485, 241276), (4018, 209270), (4165, 201884), (4879, 172340), (4924, 170765), (5740, 146489), (6155, 136612), (6970, 120638), (8036, 104635), (8330, 100942), (8617, 97580), (9758, 86170), (10045, 83708), (12310, 68306), (13940, 60319), (16660, 50471), (17234, 48790), (19516, 43085), (20090, 41854), (20927, 40180), (24395, 34468), (24620, 34153)]