39859540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{457}}^1$

素因数の和:569

約数の個数: 72

約数和(自身を含む): 98680680

約数和(自身を除く): 58821140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 89, 98, 140, 178, 196, 245, 356, 445, 457, 490, 623, 890, 914, 980, 1246, 1780, 1828, 2285, 2492, 3115, 3199, 4361, 4570, 6230, 6398, 8722, 9140, 12460, 12796, 15995, 17444, 21805, 22393, 31990, 40673, 43610, 44786, 63980, 81346, 87220, 89572, 111965, 162692, 203365, 223930, 284711, 406730, 447860, 569422, 813460, 1138844, 1423555, 1992977, 2847110, 3985954, 5694220, 7971908, 9964885, 19929770, 39859540]

約数ペア:

[(1, 39859540), (2, 19929770), (4, 9964885), (5, 7971908), (7, 5694220), (10, 3985954), (14, 2847110), (20, 1992977), (28, 1423555), (35, 1138844), (49, 813460), (70, 569422), (89, 447860), (98, 406730), (140, 284711), (178, 223930), (196, 203365), (245, 162692), (356, 111965), (445, 89572), (457, 87220), (490, 81346), (623, 63980), (890, 44786), (914, 43610), (980, 40673), (1246, 31990), (1780, 22393), (1828, 21805), (2285, 17444), (2492, 15995), (3115, 12796), (3199, 12460), (4361, 9140), (4570, 8722), (6230, 6398)]