2912121880

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1213}}^1\times {\mathrm{1277}}^1$

素因数の和:2548

約数の個数: 64

約数和(自身を含む): 6702445440

約数和(自身を除く): 3790323560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1213, 1277, 1880, 2426, 2554, 4852, 5108, 6065, 6385, 9704, 10216, 12130, 12770, 24260, 25540, 48520, 51080, 57011, 60019, 114022, 120038, 228044, 240076, 285055, 300095, 456088, 480152, 570110, 600190, 1140220, 1200380, 1549001, 2280440, 2400760, 3098002, 6196004, 7745005, 12392008, 15490010, 30980020, 61960040, 72803047, 145606094, 291212188, 364015235, 582424376, 728030470, 1456060940, 2912121880]

約数ペア:

[(1, 2912121880), (2, 1456060940), (4, 728030470), (5, 582424376), (8, 364015235), (10, 291212188), (20, 145606094), (40, 72803047), (47, 61960040), (94, 30980020), (188, 15490010), (235, 12392008), (376, 7745005), (470, 6196004), (940, 3098002), (1213, 2400760), (1277, 2280440), (1880, 1549001), (2426, 1200380), (2554, 1140220), (4852, 600190), (5108, 570110), (6065, 480152), (6385, 456088), (9704, 300095), (10216, 285055), (12130, 240076), (12770, 228044), (24260, 120038), (25540, 114022), (48520, 60019), (51080, 57011)]