191991840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{399983}}^1$

素因数の和:400001

約数の個数: 48

約数和(自身を含む): 604775808

約数和(自身を除く): 412783968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 399983, 799966, 1199949, 1599932, 1999915, 2399898, 3199864, 3999830, 4799796, 5999745, 6399728, 7999660, 9599592, 11999490, 12799456, 15999320, 19199184, 23998980, 31998640, 38398368, 47997960, 63997280, 95995920, 191991840]

約数ペア:

[(1, 191991840), (2, 95995920), (3, 63997280), (4, 47997960), (5, 38398368), (6, 31998640), (8, 23998980), (10, 19199184), (12, 15999320), (15, 12799456), (16, 11999490), (20, 9599592), (24, 7999660), (30, 6399728), (32, 5999745), (40, 4799796), (48, 3999830), (60, 3199864), (80, 2399898), (96, 1999915), (120, 1599932), (160, 1199949), (240, 799966), (480, 399983)]