65293580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{661}}^1$

素因数の和:1130

約数の個数: 48

約数和(自身を含む): 150141600

約数和(自身を除く): 84848020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 449, 661, 898, 1322, 1796, 2245, 2644, 3305, 4490, 4939, 6610, 7271, 8980, 9878, 13220, 14542, 19756, 24695, 29084, 36355, 49390, 72710, 98780, 145420, 296789, 593578, 1187156, 1483945, 2967890, 3264679, 5935780, 6529358, 13058716, 16323395, 32646790, 65293580]

約数ペア:

[(1, 65293580), (2, 32646790), (4, 16323395), (5, 13058716), (10, 6529358), (11, 5935780), (20, 3264679), (22, 2967890), (44, 1483945), (55, 1187156), (110, 593578), (220, 296789), (449, 145420), (661, 98780), (898, 72710), (1322, 49390), (1796, 36355), (2245, 29084), (2644, 24695), (3305, 19756), (4490, 14542), (4939, 13220), (6610, 9878), (7271, 8980)]