22810700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1$

素因数の和:347

約数の個数: 72

約数和(自身を含む): 54840240

約数和(自身を除く): 32029540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 89, 100, 110, 178, 220, 233, 275, 356, 445, 466, 550, 890, 932, 979, 1100, 1165, 1780, 1958, 2225, 2330, 2563, 3916, 4450, 4660, 4895, 5126, 5825, 8900, 9790, 10252, 11650, 12815, 19580, 20737, 23300, 24475, 25630, 41474, 48950, 51260, 64075, 82948, 97900, 103685, 128150, 207370, 228107, 256300, 414740, 456214, 518425, 912428, 1036850, 1140535, 2073700, 2281070, 4562140, 5702675, 11405350, 22810700]

約数ペア:

[(1, 22810700), (2, 11405350), (4, 5702675), (5, 4562140), (10, 2281070), (11, 2073700), (20, 1140535), (22, 1036850), (25, 912428), (44, 518425), (50, 456214), (55, 414740), (89, 256300), (100, 228107), (110, 207370), (178, 128150), (220, 103685), (233, 97900), (275, 82948), (356, 64075), (445, 51260), (466, 48950), (550, 41474), (890, 25630), (932, 24475), (979, 23300), (1100, 20737), (1165, 19580), (1780, 12815), (1958, 11650), (2225, 10252), (2330, 9790), (2563, 8900), (3916, 5825), (4450, 5126), (4660, 4895)]