620156884

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1\times {\mathrm{409}}^1$

素因数の和:784

約数の個数: 48

約数和(自身を含む): 1165449600

約数和(自身を除く): 545292716

約数列:

[1, 2, 4, 19, 38, 71, 76, 142, 281, 284, 409, 562, 818, 1124, 1349, 1636, 2698, 5339, 5396, 7771, 10678, 15542, 19951, 21356, 29039, 31084, 39902, 58078, 79804, 114929, 116156, 229858, 379069, 459716, 551741, 758138, 1103482, 1516276, 2183651, 2206964, 4367302, 8159959, 8734604, 16319918, 32639836, 155039221, 310078442, 620156884]

約数ペア:

[(1, 620156884), (2, 310078442), (4, 155039221), (19, 32639836), (38, 16319918), (71, 8734604), (76, 8159959), (142, 4367302), (281, 2206964), (284, 2183651), (409, 1516276), (562, 1103482), (818, 758138), (1124, 551741), (1349, 459716), (1636, 379069), (2698, 229858), (5339, 116156), (5396, 114929), (7771, 79804), (10678, 58078), (15542, 39902), (19951, 31084), (21356, 29039)]