31389879420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{416201}}^1$

素因数の和:416635

約数の個数: 72

約数和(自身を含む): 95443442640

約数和(自身を除く): 64053563220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 419, 838, 1257, 1676, 2095, 2514, 3771, 4190, 5028, 6285, 7542, 8380, 12570, 15084, 18855, 25140, 37710, 75420, 416201, 832402, 1248603, 1664804, 2081005, 2497206, 3745809, 4162010, 4994412, 6243015, 7491618, 8324020, 12486030, 14983236, 18729045, 24972060, 37458090, 74916180, 174388219, 348776438, 523164657, 697552876, 871941095, 1046329314, 1569493971, 1743882190, 2092658628, 2615823285, 3138987942, 3487764380, 5231646570, 6277975884, 7847469855, 10463293140, 15694939710, 31389879420]

約数ペア:

[(1, 31389879420), (2, 15694939710), (3, 10463293140), (4, 7847469855), (5, 6277975884), (6, 5231646570), (9, 3487764380), (10, 3138987942), (12, 2615823285), (15, 2092658628), (18, 1743882190), (20, 1569493971), (30, 1046329314), (36, 871941095), (45, 697552876), (60, 523164657), (90, 348776438), (180, 174388219), (419, 74916180), (838, 37458090), (1257, 24972060), (1676, 18729045), (2095, 14983236), (2514, 12486030), (3771, 8324020), (4190, 7491618), (5028, 6243015), (6285, 4994412), (7542, 4162010), (8380, 3745809), (12570, 2497206), (15084, 2081005), (18855, 1664804), (25140, 1248603), (37710, 832402), (75420, 416201)]