222705980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{227251}}^1$

素因数の和:227274

約数の個数: 36

約数和(自身を含む): 544041288

約数和(自身を除く): 321335308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 227251, 454502, 909004, 1136255, 1590757, 2272510, 3181514, 4545020, 6363028, 7953785, 11135299, 15907570, 22270598, 31815140, 44541196, 55676495, 111352990, 222705980]

約数ペア:

[(1, 222705980), (2, 111352990), (4, 55676495), (5, 44541196), (7, 31815140), (10, 22270598), (14, 15907570), (20, 11135299), (28, 7953785), (35, 6363028), (49, 4545020), (70, 3181514), (98, 2272510), (140, 1590757), (196, 1136255), (245, 909004), (490, 454502), (980, 227251)]