31997900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1531}}^1$

素因数の和:1575

約数の個数: 72

約数和(自身を含む): 79786560

約数和(自身を除く): 47788660

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 95, 100, 110, 190, 209, 220, 275, 380, 418, 475, 550, 836, 950, 1045, 1100, 1531, 1900, 2090, 3062, 4180, 5225, 6124, 7655, 10450, 15310, 16841, 20900, 29089, 30620, 33682, 38275, 58178, 67364, 76550, 84205, 116356, 145445, 153100, 168410, 290890, 319979, 336820, 421025, 581780, 639958, 727225, 842050, 1279916, 1454450, 1599895, 1684100, 2908900, 3199790, 6399580, 7999475, 15998950, 31997900]

約数ペア:

[(1, 31997900), (2, 15998950), (4, 7999475), (5, 6399580), (10, 3199790), (11, 2908900), (19, 1684100), (20, 1599895), (22, 1454450), (25, 1279916), (38, 842050), (44, 727225), (50, 639958), (55, 581780), (76, 421025), (95, 336820), (100, 319979), (110, 290890), (190, 168410), (209, 153100), (220, 145445), (275, 116356), (380, 84205), (418, 76550), (475, 67364), (550, 58178), (836, 38275), (950, 33682), (1045, 30620), (1100, 29089), (1531, 20900), (1900, 16841), (2090, 15310), (3062, 10450), (4180, 7655), (5225, 6124)]