255867366920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{653}}^1\times {\mathrm{890531}}^1$

素因数の和:891206

約数の個数: 64

約数和(自身を含む): 629000562240

約数和(自身を除く): 373133195320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 653, 1306, 2612, 3265, 5224, 6530, 7183, 13060, 14366, 26120, 28732, 35915, 57464, 71830, 143660, 287320, 890531, 1781062, 3562124, 4452655, 7124248, 8905310, 9795841, 17810620, 19591682, 35621240, 39183364, 48979205, 78366728, 97958410, 195916820, 391833640, 581516743, 1163033486, 2326066972, 2907583715, 4652133944, 5815167430, 6396684173, 11630334860, 12793368346, 23260669720, 25586736692, 31983420865, 51173473384, 63966841730, 127933683460, 255867366920]

約数ペア:

[(1, 255867366920), (2, 127933683460), (4, 63966841730), (5, 51173473384), (8, 31983420865), (10, 25586736692), (11, 23260669720), (20, 12793368346), (22, 11630334860), (40, 6396684173), (44, 5815167430), (55, 4652133944), (88, 2907583715), (110, 2326066972), (220, 1163033486), (440, 581516743), (653, 391833640), (1306, 195916820), (2612, 97958410), (3265, 78366728), (5224, 48979205), (6530, 39183364), (7183, 35621240), (13060, 19591682), (14366, 17810620), (26120, 9795841), (28732, 8905310), (35915, 7124248), (57464, 4452655), (71830, 3562124), (143660, 1781062), (287320, 890531)]