216564140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{277}}^1$

素因数の和:427

約数の個数: 96

約数和(自身を含む): 512623104

約数和(自身を除く): 296058964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 97, 124, 130, 155, 194, 260, 277, 310, 388, 403, 485, 554, 620, 806, 970, 1108, 1261, 1385, 1612, 1940, 2015, 2522, 2770, 3007, 3601, 4030, 5044, 5540, 6014, 6305, 7202, 8060, 8587, 12028, 12610, 14404, 15035, 17174, 18005, 25220, 26869, 30070, 34348, 36010, 39091, 42935, 53738, 60140, 72020, 78182, 85870, 107476, 111631, 134345, 156364, 171740, 195455, 223262, 268690, 349297, 390910, 446524, 537380, 558155, 698594, 781820, 832939, 1116310, 1397188, 1665878, 1746485, 2232620, 3331756, 3492970, 4164695, 6985940, 8329390, 10828207, 16658780, 21656414, 43312828, 54141035, 108282070, 216564140]

約数ペア:

[(1, 216564140), (2, 108282070), (4, 54141035), (5, 43312828), (10, 21656414), (13, 16658780), (20, 10828207), (26, 8329390), (31, 6985940), (52, 4164695), (62, 3492970), (65, 3331756), (97, 2232620), (124, 1746485), (130, 1665878), (155, 1397188), (194, 1116310), (260, 832939), (277, 781820), (310, 698594), (388, 558155), (403, 537380), (485, 446524), (554, 390910), (620, 349297), (806, 268690), (970, 223262), (1108, 195455), (1261, 171740), (1385, 156364), (1612, 134345), (1940, 111631), (2015, 107476), (2522, 85870), (2770, 78182), (3007, 72020), (3601, 60140), (4030, 53738), (5044, 42935), (5540, 39091), (6014, 36010), (6305, 34348), (7202, 30070), (8060, 26869), (8587, 25220), (12028, 18005), (12610, 17174), (14404, 15035)]