399509856

素因数分解:

$2^5\times 3^2\times {\mathrm{373}}^1\times {\mathrm{3719}}^1$

素因数の和:4108

約数の個数: 72

約数和(自身を含む): 1139458320

約数和(自身を除く): 739948464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 373, 746, 1119, 1492, 2238, 2984, 3357, 3719, 4476, 5968, 6714, 7438, 8952, 11157, 11936, 13428, 14876, 17904, 22314, 26856, 29752, 33471, 35808, 44628, 53712, 59504, 66942, 89256, 107424, 119008, 133884, 178512, 267768, 357024, 535536, 1071072, 1387187, 2774374, 4161561, 5548748, 8323122, 11097496, 12484683, 16646244, 22194992, 24969366, 33292488, 44389984, 49938732, 66584976, 99877464, 133169952, 199754928, 399509856]

約数ペア:

[(1, 399509856), (2, 199754928), (3, 133169952), (4, 99877464), (6, 66584976), (8, 49938732), (9, 44389984), (12, 33292488), (16, 24969366), (18, 22194992), (24, 16646244), (32, 12484683), (36, 11097496), (48, 8323122), (72, 5548748), (96, 4161561), (144, 2774374), (288, 1387187), (373, 1071072), (746, 535536), (1119, 357024), (1492, 267768), (2238, 178512), (2984, 133884), (3357, 119008), (3719, 107424), (4476, 89256), (5968, 66942), (6714, 59504), (7438, 53712), (8952, 44628), (11157, 35808), (11936, 33471), (13428, 29752), (14876, 26856), (17904, 22314)]