287942620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{6833}}^1$

素因数の和:6899

約数の個数: 72

約数和(自身を含む): 719866224

約数和(自身を除く): 431923604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 196, 215, 245, 301, 430, 490, 602, 860, 980, 1204, 1505, 2107, 3010, 4214, 6020, 6833, 8428, 10535, 13666, 21070, 27332, 34165, 42140, 47831, 68330, 95662, 136660, 191324, 239155, 293819, 334817, 478310, 587638, 669634, 956620, 1175276, 1339268, 1469095, 1674085, 2056733, 2938190, 3348170, 4113466, 5876380, 6696340, 8226932, 10283665, 14397131, 20567330, 28794262, 41134660, 57588524, 71985655, 143971310, 287942620]

約数ペア:

[(1, 287942620), (2, 143971310), (4, 71985655), (5, 57588524), (7, 41134660), (10, 28794262), (14, 20567330), (20, 14397131), (28, 10283665), (35, 8226932), (43, 6696340), (49, 5876380), (70, 4113466), (86, 3348170), (98, 2938190), (140, 2056733), (172, 1674085), (196, 1469095), (215, 1339268), (245, 1175276), (301, 956620), (430, 669634), (490, 587638), (602, 478310), (860, 334817), (980, 293819), (1204, 239155), (1505, 191324), (2107, 136660), (3010, 95662), (4214, 68330), (6020, 47831), (6833, 42140), (8428, 34165), (10535, 27332), (13666, 21070)]