154425460

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{22511}}^1$

素因数の和:22541

約数の個数: 48

約数和(自身を含む): 378201600

約数和(自身を除く): 223776140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 22511, 45022, 90044, 112555, 157577, 225110, 315154, 450220, 630308, 787885, 1103039, 1575770, 2206078, 3151540, 4412156, 5515195, 7721273, 11030390, 15442546, 22060780, 30885092, 38606365, 77212730, 154425460]

約数ペア:

[(1, 154425460), (2, 77212730), (4, 38606365), (5, 30885092), (7, 22060780), (10, 15442546), (14, 11030390), (20, 7721273), (28, 5515195), (35, 4412156), (49, 3151540), (70, 2206078), (98, 1575770), (140, 1103039), (196, 787885), (245, 630308), (343, 450220), (490, 315154), (686, 225110), (980, 157577), (1372, 112555), (1715, 90044), (3430, 45022), (6860, 22511)]