389545520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{733}}^1$

素因数の和:839

約数の個数: 160

約数和(自身を含む): 1131510912

約数和(自身を除く): 741965392

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 73, 80, 91, 104, 112, 130, 140, 146, 182, 208, 260, 280, 292, 364, 365, 455, 511, 520, 560, 584, 728, 730, 733, 910, 949, 1022, 1040, 1168, 1456, 1460, 1466, 1820, 1898, 2044, 2555, 2920, 2932, 3640, 3665, 3796, 4088, 4745, 5110, 5131, 5840, 5864, 6643, 7280, 7330, 7592, 8176, 9490, 9529, 10220, 10262, 11728, 13286, 14660, 15184, 18980, 19058, 20440, 20524, 25655, 26572, 29320, 33215, 37960, 38116, 40880, 41048, 47645, 51310, 53144, 53509, 58640, 66430, 66703, 75920, 76232, 82096, 95290, 102620, 106288, 107018, 132860, 133406, 152464, 190580, 205240, 214036, 265720, 266812, 267545, 333515, 374563, 381160, 410480, 428072, 531440, 533624, 535090, 667030, 695617, 749126, 762320, 856144, 1067248, 1070180, 1334060, 1391234, 1498252, 1872815, 2140360, 2668120, 2782468, 2996504, 3478085, 3745630, 4280720, 4869319, 5336240, 5564936, 5993008, 6956170, 7491260, 9738638, 11129872, 13912340, 14982520, 19477276, 24346595, 27824680, 29965040, 38954552, 48693190, 55649360, 77909104, 97386380, 194772760, 389545520]

約数ペア:

[(1, 389545520), (2, 194772760), (4, 97386380), (5, 77909104), (7, 55649360), (8, 48693190), (10, 38954552), (13, 29965040), (14, 27824680), (16, 24346595), (20, 19477276), (26, 14982520), (28, 13912340), (35, 11129872), (40, 9738638), (52, 7491260), (56, 6956170), (65, 5993008), (70, 5564936), (73, 5336240), (80, 4869319), (91, 4280720), (104, 3745630), (112, 3478085), (130, 2996504), (140, 2782468), (146, 2668120), (182, 2140360), (208, 1872815), (260, 1498252), (280, 1391234), (292, 1334060), (364, 1070180), (365, 1067248), (455, 856144), (511, 762320), (520, 749126), (560, 695617), (584, 667030), (728, 535090), (730, 533624), (733, 531440), (910, 428072), (949, 410480), (1022, 381160), (1040, 374563), (1168, 333515), (1456, 267545), (1460, 266812), (1466, 265720), (1820, 214036), (1898, 205240), (2044, 190580), (2555, 152464), (2920, 133406), (2932, 132860), (3640, 107018), (3665, 106288), (3796, 102620), (4088, 95290), (4745, 82096), (5110, 76232), (5131, 75920), (5840, 66703), (5864, 66430), (6643, 58640), (7280, 53509), (7330, 53144), (7592, 51310), (8176, 47645), (9490, 41048), (9529, 40880), (10220, 38116), (10262, 37960), (11728, 33215), (13286, 29320), (14660, 26572), (15184, 25655), (18980, 20524), (19058, 20440)]