407879920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{1553}}^1$

素因数の和:1647

約数の個数: 120

約数和(自身を含む): 1120334544

約数和(自身を除く): 712454624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 67, 70, 80, 98, 112, 134, 140, 196, 245, 268, 280, 335, 392, 469, 490, 536, 560, 670, 784, 938, 980, 1072, 1340, 1553, 1876, 1960, 2345, 2680, 3106, 3283, 3752, 3920, 4690, 5360, 6212, 6566, 7504, 7765, 9380, 10871, 12424, 13132, 15530, 16415, 18760, 21742, 24848, 26264, 31060, 32830, 37520, 43484, 52528, 54355, 62120, 65660, 76097, 86968, 104051, 108710, 124240, 131320, 152194, 173936, 208102, 217420, 262640, 304388, 380485, 416204, 434840, 520255, 608776, 728357, 760970, 832408, 869680, 1040510, 1217552, 1456714, 1521940, 1664816, 2081020, 2913428, 3043880, 3641785, 4162040, 5098499, 5826856, 6087760, 7283570, 8324080, 10196998, 11653712, 14567140, 20393996, 25492495, 29134280, 40787992, 50984990, 58268560, 81575984, 101969980, 203939960, 407879920]

約数ペア:

[(1, 407879920), (2, 203939960), (4, 101969980), (5, 81575984), (7, 58268560), (8, 50984990), (10, 40787992), (14, 29134280), (16, 25492495), (20, 20393996), (28, 14567140), (35, 11653712), (40, 10196998), (49, 8324080), (56, 7283570), (67, 6087760), (70, 5826856), (80, 5098499), (98, 4162040), (112, 3641785), (134, 3043880), (140, 2913428), (196, 2081020), (245, 1664816), (268, 1521940), (280, 1456714), (335, 1217552), (392, 1040510), (469, 869680), (490, 832408), (536, 760970), (560, 728357), (670, 608776), (784, 520255), (938, 434840), (980, 416204), (1072, 380485), (1340, 304388), (1553, 262640), (1876, 217420), (1960, 208102), (2345, 173936), (2680, 152194), (3106, 131320), (3283, 124240), (3752, 108710), (3920, 104051), (4690, 86968), (5360, 76097), (6212, 65660), (6566, 62120), (7504, 54355), (7765, 52528), (9380, 43484), (10871, 37520), (12424, 32830), (13132, 31060), (15530, 26264), (16415, 24848), (18760, 21742)]