2808021220

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1\times {\mathrm{15971}}^1$

素因数の和:16188

約数の個数: 48

約数和(自身を含む): 6037416000

約数和(自身を除く): 3229394780

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 149, 236, 295, 298, 590, 596, 745, 1180, 1490, 2980, 8791, 15971, 17582, 31942, 35164, 43955, 63884, 79855, 87910, 159710, 175820, 319420, 942289, 1884578, 2379679, 3769156, 4711445, 4759358, 9422890, 9518716, 11898395, 18845780, 23796790, 47593580, 140401061, 280802122, 561604244, 702005305, 1404010610, 2808021220]

約数ペア:

[(1, 2808021220), (2, 1404010610), (4, 702005305), (5, 561604244), (10, 280802122), (20, 140401061), (59, 47593580), (118, 23796790), (149, 18845780), (236, 11898395), (295, 9518716), (298, 9422890), (590, 4759358), (596, 4711445), (745, 3769156), (1180, 2379679), (1490, 1884578), (2980, 942289), (8791, 319420), (15971, 175820), (17582, 159710), (31942, 87910), (35164, 79855), (43955, 63884)]