242886280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1259}}^1$

素因数の和:1343

約数の個数: 128

約数和(自身を含む): 685843200

約数和(自身を除く): 442956920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 53, 56, 65, 70, 91, 104, 106, 130, 140, 182, 212, 260, 265, 280, 364, 371, 424, 455, 520, 530, 689, 728, 742, 910, 1060, 1259, 1378, 1484, 1820, 1855, 2120, 2518, 2756, 2968, 3445, 3640, 3710, 4823, 5036, 5512, 6295, 6890, 7420, 8813, 9646, 10072, 12590, 13780, 14840, 16367, 17626, 19292, 24115, 25180, 27560, 32734, 35252, 38584, 44065, 48230, 50360, 65468, 66727, 70504, 81835, 88130, 96460, 114569, 130936, 133454, 163670, 176260, 192920, 229138, 266908, 327340, 333635, 352520, 458276, 467089, 533816, 572845, 654680, 667270, 867451, 916552, 934178, 1145690, 1334540, 1734902, 1868356, 2291380, 2335445, 2669080, 3469804, 3736712, 4337255, 4582760, 4670890, 6072157, 6939608, 8674510, 9341780, 12144314, 17349020, 18683560, 24288628, 30360785, 34698040, 48577256, 60721570, 121443140, 242886280]

約数ペア:

[(1, 242886280), (2, 121443140), (4, 60721570), (5, 48577256), (7, 34698040), (8, 30360785), (10, 24288628), (13, 18683560), (14, 17349020), (20, 12144314), (26, 9341780), (28, 8674510), (35, 6939608), (40, 6072157), (52, 4670890), (53, 4582760), (56, 4337255), (65, 3736712), (70, 3469804), (91, 2669080), (104, 2335445), (106, 2291380), (130, 1868356), (140, 1734902), (182, 1334540), (212, 1145690), (260, 934178), (265, 916552), (280, 867451), (364, 667270), (371, 654680), (424, 572845), (455, 533816), (520, 467089), (530, 458276), (689, 352520), (728, 333635), (742, 327340), (910, 266908), (1060, 229138), (1259, 192920), (1378, 176260), (1484, 163670), (1820, 133454), (1855, 130936), (2120, 114569), (2518, 96460), (2756, 88130), (2968, 81835), (3445, 70504), (3640, 66727), (3710, 65468), (4823, 50360), (5036, 48230), (5512, 44065), (6295, 38584), (6890, 35252), (7420, 32734), (8813, 27560), (9646, 25180), (10072, 24115), (12590, 19292), (13780, 17626), (14840, 16367)]