191219140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{22391}}^1$

素因数の和:22468

約数の個数: 48

約数和(自身を含む): 466470144

約数和(自身を除く): 275251004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 22391, 44782, 89564, 111955, 156737, 223910, 313474, 447820, 626948, 783685, 1365851, 1567370, 2731702, 3134740, 5463404, 6829255, 9560957, 13658510, 19121914, 27317020, 38243828, 47804785, 95609570, 191219140]

約数ペア:

[(1, 191219140), (2, 95609570), (4, 47804785), (5, 38243828), (7, 27317020), (10, 19121914), (14, 13658510), (20, 9560957), (28, 6829255), (35, 5463404), (61, 3134740), (70, 2731702), (122, 1567370), (140, 1365851), (244, 783685), (305, 626948), (427, 447820), (610, 313474), (854, 223910), (1220, 156737), (1708, 111955), (2135, 89564), (4270, 44782), (8540, 22391)]