28964820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:325

約数の個数: 96

約数和(自身を含む): 85800960

約数和(自身を除く): 56836140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 139, 151, 230, 276, 278, 302, 345, 417, 453, 460, 556, 604, 690, 695, 755, 834, 906, 1380, 1390, 1510, 1668, 1812, 2085, 2265, 2780, 3020, 3197, 3473, 4170, 4530, 6394, 6946, 8340, 9060, 9591, 10419, 12788, 13892, 15985, 17365, 19182, 20838, 20989, 31970, 34730, 38364, 41676, 41978, 47955, 52095, 62967, 63940, 69460, 83956, 95910, 104190, 104945, 125934, 191820, 208380, 209890, 251868, 314835, 419780, 482747, 629670, 965494, 1259340, 1448241, 1930988, 2413735, 2896482, 4827470, 5792964, 7241205, 9654940, 14482410, 28964820]

約数ペア:

[(1, 28964820), (2, 14482410), (3, 9654940), (4, 7241205), (5, 5792964), (6, 4827470), (10, 2896482), (12, 2413735), (15, 1930988), (20, 1448241), (23, 1259340), (30, 965494), (46, 629670), (60, 482747), (69, 419780), (92, 314835), (115, 251868), (138, 209890), (139, 208380), (151, 191820), (230, 125934), (276, 104945), (278, 104190), (302, 95910), (345, 83956), (417, 69460), (453, 63940), (460, 62967), (556, 52095), (604, 47955), (690, 41978), (695, 41676), (755, 38364), (834, 34730), (906, 31970), (1380, 20989), (1390, 20838), (1510, 19182), (1668, 17365), (1812, 15985), (2085, 13892), (2265, 12788), (2780, 10419), (3020, 9591), (3197, 9060), (3473, 8340), (4170, 6946), (4530, 6394)]