221210500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{9029}}^1$

素因数の和:9062

約数の個数: 72

約数和(自身を含む): 562063320

約数和(自身を除く): 340852820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 125, 140, 175, 196, 245, 250, 350, 490, 500, 700, 875, 980, 1225, 1750, 2450, 3500, 4900, 6125, 9029, 12250, 18058, 24500, 36116, 45145, 63203, 90290, 126406, 180580, 225725, 252812, 316015, 442421, 451450, 632030, 884842, 902900, 1128625, 1264060, 1580075, 1769684, 2212105, 2257250, 3160150, 4424210, 4514500, 6320300, 7900375, 8848420, 11060525, 15800750, 22121050, 31601500, 44242100, 55302625, 110605250, 221210500]

約数ペア:

[(1, 221210500), (2, 110605250), (4, 55302625), (5, 44242100), (7, 31601500), (10, 22121050), (14, 15800750), (20, 11060525), (25, 8848420), (28, 7900375), (35, 6320300), (49, 4514500), (50, 4424210), (70, 3160150), (98, 2257250), (100, 2212105), (125, 1769684), (140, 1580075), (175, 1264060), (196, 1128625), (245, 902900), (250, 884842), (350, 632030), (490, 451450), (500, 442421), (700, 316015), (875, 252812), (980, 225725), (1225, 180580), (1750, 126406), (2450, 90290), (3500, 63203), (4900, 45145), (6125, 36116), (9029, 24500), (12250, 18058)]