79831780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{53}}^2$

素因数の和:158

約数の個数: 108

約数和(自身を含む): 205620660

約数和(自身を除く): 125788880

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 53, 58, 70, 98, 106, 116, 140, 145, 196, 203, 212, 245, 265, 290, 371, 406, 490, 530, 580, 742, 812, 980, 1015, 1060, 1421, 1484, 1537, 1855, 2030, 2597, 2809, 2842, 3074, 3710, 4060, 5194, 5618, 5684, 6148, 7105, 7420, 7685, 10388, 10759, 11236, 12985, 14045, 14210, 15370, 19663, 21518, 25970, 28090, 28420, 30740, 39326, 43036, 51940, 53795, 56180, 75313, 78652, 81461, 98315, 107590, 137641, 150626, 162922, 196630, 215180, 275282, 301252, 325844, 376565, 393260, 407305, 550564, 570227, 688205, 753130, 814610, 1140454, 1376410, 1506260, 1629220, 2280908, 2752820, 2851135, 3991589, 5702270, 7983178, 11404540, 15966356, 19957945, 39915890, 79831780]

約数ペア:

[(1, 79831780), (2, 39915890), (4, 19957945), (5, 15966356), (7, 11404540), (10, 7983178), (14, 5702270), (20, 3991589), (28, 2851135), (29, 2752820), (35, 2280908), (49, 1629220), (53, 1506260), (58, 1376410), (70, 1140454), (98, 814610), (106, 753130), (116, 688205), (140, 570227), (145, 550564), (196, 407305), (203, 393260), (212, 376565), (245, 325844), (265, 301252), (290, 275282), (371, 215180), (406, 196630), (490, 162922), (530, 150626), (580, 137641), (742, 107590), (812, 98315), (980, 81461), (1015, 78652), (1060, 75313), (1421, 56180), (1484, 53795), (1537, 51940), (1855, 43036), (2030, 39326), (2597, 30740), (2809, 28420), (2842, 28090), (3074, 25970), (3710, 21518), (4060, 19663), (5194, 15370), (5618, 14210), (5684, 14045), (6148, 12985), (7105, 11236), (7420, 10759), (7685, 10388)]