30938930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:303

約数の個数: 64

約数和(自身を含む): 64475136

約数和(自身を除く): 33536206

約数列:

[1, 2, 5, 10, 11, 22, 31, 43, 55, 62, 86, 110, 155, 211, 215, 310, 341, 422, 430, 473, 682, 946, 1055, 1333, 1705, 2110, 2321, 2365, 2666, 3410, 4642, 4730, 6541, 6665, 9073, 11605, 13082, 13330, 14663, 18146, 23210, 29326, 32705, 45365, 65410, 71951, 73315, 90730, 99803, 143902, 146630, 199606, 281263, 359755, 499015, 562526, 719510, 998030, 1406315, 2812630, 3093893, 6187786, 15469465, 30938930]

約数ペア:

[(1, 30938930), (2, 15469465), (5, 6187786), (10, 3093893), (11, 2812630), (22, 1406315), (31, 998030), (43, 719510), (55, 562526), (62, 499015), (86, 359755), (110, 281263), (155, 199606), (211, 146630), (215, 143902), (310, 99803), (341, 90730), (422, 73315), (430, 71951), (473, 65410), (682, 45365), (946, 32705), (1055, 29326), (1333, 23210), (1705, 18146), (2110, 14663), (2321, 13330), (2365, 13082), (2666, 11605), (3410, 9073), (4642, 6665), (4730, 6541)]