30771020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1847}}^1$

素因数の和:1887

約数の個数: 72

約数和(自身を含む): 79634016

約数和(自身を除く): 48862996

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 340, 476, 490, 595, 833, 980, 1190, 1666, 1847, 2380, 3332, 3694, 4165, 7388, 8330, 9235, 12929, 16660, 18470, 25858, 31399, 36940, 51716, 62798, 64645, 90503, 125596, 129290, 156995, 181006, 219793, 258580, 313990, 362012, 439586, 452515, 627980, 879172, 905030, 1098965, 1538551, 1810060, 2197930, 3077102, 4395860, 6154204, 7692755, 15385510, 30771020]

約数ペア:

[(1, 30771020), (2, 15385510), (4, 7692755), (5, 6154204), (7, 4395860), (10, 3077102), (14, 2197930), (17, 1810060), (20, 1538551), (28, 1098965), (34, 905030), (35, 879172), (49, 627980), (68, 452515), (70, 439586), (85, 362012), (98, 313990), (119, 258580), (140, 219793), (170, 181006), (196, 156995), (238, 129290), (245, 125596), (340, 90503), (476, 64645), (490, 62798), (595, 51716), (833, 36940), (980, 31399), (1190, 25858), (1666, 18470), (1847, 16660), (2380, 12929), (3332, 9235), (3694, 8330), (4165, 7388)]