213104920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{108727}}^1$

素因数の和:108752

約数の個数: 48

約数和(自身を含む): 557774640

約数和(自身を除く): 344669720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 108727, 217454, 434908, 543635, 761089, 869816, 1087270, 1522178, 2174540, 3044356, 3805445, 4349080, 5327623, 6088712, 7610890, 10655246, 15221780, 21310492, 26638115, 30443560, 42620984, 53276230, 106552460, 213104920]

約数ペア:

[(1, 213104920), (2, 106552460), (4, 53276230), (5, 42620984), (7, 30443560), (8, 26638115), (10, 21310492), (14, 15221780), (20, 10655246), (28, 7610890), (35, 6088712), (40, 5327623), (49, 4349080), (56, 3805445), (70, 3044356), (98, 2174540), (140, 1522178), (196, 1087270), (245, 869816), (280, 761089), (392, 543635), (490, 434908), (980, 217454), (1960, 108727)]