254297610

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{857}}^1$

素因数の和:1037

約数の個数: 128

約数和(自身を含む): 780848640

約数和(自身を除く): 526551030

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 157, 189, 210, 270, 314, 315, 378, 471, 630, 785, 857, 942, 945, 1099, 1413, 1570, 1714, 1890, 2198, 2355, 2571, 2826, 3297, 4239, 4285, 4710, 5142, 5495, 5999, 6594, 7065, 7713, 8478, 8570, 9891, 10990, 11998, 12855, 14130, 15426, 16485, 17997, 19782, 21195, 23139, 25710, 29673, 29995, 32970, 35994, 38565, 42390, 46278, 49455, 53991, 59346, 59990, 77130, 89985, 98910, 107982, 115695, 134549, 148365, 161973, 179970, 231390, 269098, 269955, 296730, 323946, 403647, 539910, 672745, 807294, 809865, 941843, 1210941, 1345490, 1619730, 1883686, 2018235, 2421882, 2825529, 3632823, 4036470, 4709215, 5651058, 6054705, 7265646, 8476587, 9418430, 12109410, 14127645, 16953174, 18164115, 25429761, 28255290, 36328230, 42382935, 50859522, 84765870, 127148805, 254297610]

約数ペア:

[(1, 254297610), (2, 127148805), (3, 84765870), (5, 50859522), (6, 42382935), (7, 36328230), (9, 28255290), (10, 25429761), (14, 18164115), (15, 16953174), (18, 14127645), (21, 12109410), (27, 9418430), (30, 8476587), (35, 7265646), (42, 6054705), (45, 5651058), (54, 4709215), (63, 4036470), (70, 3632823), (90, 2825529), (105, 2421882), (126, 2018235), (135, 1883686), (157, 1619730), (189, 1345490), (210, 1210941), (270, 941843), (314, 809865), (315, 807294), (378, 672745), (471, 539910), (630, 403647), (785, 323946), (857, 296730), (942, 269955), (945, 269098), (1099, 231390), (1413, 179970), (1570, 161973), (1714, 148365), (1890, 134549), (2198, 115695), (2355, 107982), (2571, 98910), (2826, 89985), (3297, 77130), (4239, 59990), (4285, 59346), (4710, 53991), (5142, 49455), (5495, 46278), (5999, 42390), (6594, 38565), (7065, 35994), (7713, 32970), (8478, 29995), (8570, 29673), (9891, 25710), (10990, 23139), (11998, 21195), (12855, 19782), (14130, 17997), (15426, 16485)]