142712900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{947}}^1$

素因数の和:1109

約数の個数: 72

約数和(自身を含む): 340665696

約数和(自身を除く): 197952796

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 137, 220, 274, 275, 548, 550, 685, 947, 1100, 1370, 1507, 1894, 2740, 3014, 3425, 3788, 4735, 6028, 6850, 7535, 9470, 10417, 13700, 15070, 18940, 20834, 23675, 30140, 37675, 41668, 47350, 52085, 75350, 94700, 104170, 129739, 150700, 208340, 259478, 260425, 518956, 520850, 648695, 1041700, 1297390, 1427129, 2594780, 2854258, 3243475, 5708516, 6486950, 7135645, 12973900, 14271290, 28542580, 35678225, 71356450, 142712900]

約数ペア:

[(1, 142712900), (2, 71356450), (4, 35678225), (5, 28542580), (10, 14271290), (11, 12973900), (20, 7135645), (22, 6486950), (25, 5708516), (44, 3243475), (50, 2854258), (55, 2594780), (100, 1427129), (110, 1297390), (137, 1041700), (220, 648695), (274, 520850), (275, 518956), (548, 260425), (550, 259478), (685, 208340), (947, 150700), (1100, 129739), (1370, 104170), (1507, 94700), (1894, 75350), (2740, 52085), (3014, 47350), (3425, 41668), (3788, 37675), (4735, 30140), (6028, 23675), (6850, 20834), (7535, 18940), (9470, 15070), (10417, 13700)]