220142720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{49139}}^1$

素因数の和:49165

約数の個数: 64

約数和(自身を含む): 601473600

約数和(自身を除く): 381330880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 49139, 98278, 196556, 245695, 343973, 393112, 491390, 687946, 786224, 982780, 1375892, 1572448, 1719865, 1965560, 2751784, 3144896, 3439730, 3931120, 5503568, 6289792, 6879460, 7862240, 11007136, 13758920, 15724480, 22014272, 27517840, 31448960, 44028544, 55035680, 110071360, 220142720]

約数ペア:

[(1, 220142720), (2, 110071360), (4, 55035680), (5, 44028544), (7, 31448960), (8, 27517840), (10, 22014272), (14, 15724480), (16, 13758920), (20, 11007136), (28, 7862240), (32, 6879460), (35, 6289792), (40, 5503568), (56, 3931120), (64, 3439730), (70, 3144896), (80, 2751784), (112, 1965560), (128, 1719865), (140, 1572448), (160, 1375892), (224, 982780), (280, 786224), (320, 687946), (448, 491390), (560, 393112), (640, 343973), (896, 245695), (1120, 196556), (2240, 98278), (4480, 49139)]