317804980

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{1531}}^1$

素因数の和:1744

約数の個数: 48

約数和(自身を含む): 681016896

約数和(自身を除く): 363211916

約数列:

[1, 2, 4, 5, 10, 20, 97, 107, 194, 214, 388, 428, 485, 535, 970, 1070, 1531, 1940, 2140, 3062, 6124, 7655, 10379, 15310, 20758, 30620, 41516, 51895, 103790, 148507, 163817, 207580, 297014, 327634, 594028, 655268, 742535, 819085, 1485070, 1638170, 2970140, 3276340, 15890249, 31780498, 63560996, 79451245, 158902490, 317804980]

約数ペア:

[(1, 317804980), (2, 158902490), (4, 79451245), (5, 63560996), (10, 31780498), (20, 15890249), (97, 3276340), (107, 2970140), (194, 1638170), (214, 1485070), (388, 819085), (428, 742535), (485, 655268), (535, 594028), (970, 327634), (1070, 297014), (1531, 207580), (1940, 163817), (2140, 148507), (3062, 103790), (6124, 51895), (7655, 41516), (10379, 30620), (15310, 20758)]