79478420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{18313}}^1$

素因数の和:18360

約数の個数: 48

約数和(自身を含む): 196912128

約数和(自身を除く): 117433708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 18313, 36626, 73252, 91565, 128191, 183130, 256382, 366260, 512764, 567703, 640955, 1135406, 1281910, 2270812, 2563820, 2838515, 3973921, 5677030, 7947842, 11354060, 15895684, 19869605, 39739210, 79478420]

約数ペア:

[(1, 79478420), (2, 39739210), (4, 19869605), (5, 15895684), (7, 11354060), (10, 7947842), (14, 5677030), (20, 3973921), (28, 2838515), (31, 2563820), (35, 2270812), (62, 1281910), (70, 1135406), (124, 640955), (140, 567703), (155, 512764), (217, 366260), (310, 256382), (434, 183130), (620, 128191), (868, 91565), (1085, 73252), (2170, 36626), (4340, 18313)]