281041040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{16189}}^1$

素因数の和:16240

約数の個数: 80

約数和(自身を含む): 770903040

約数和(自身を除く): 489862000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 16189, 17360, 32378, 64756, 80945, 113323, 129512, 161890, 226646, 259024, 323780, 453292, 501859, 566615, 647560, 906584, 1003718, 1133230, 1295120, 1813168, 2007436, 2266460, 2509295, 3513013, 4014872, 4532920, 5018590, 7026026, 8029744, 9065840, 10037180, 14052052, 17565065, 20074360, 28104104, 35130130, 40148720, 56208208, 70260260, 140520520, 281041040]

約数ペア:

[(1, 281041040), (2, 140520520), (4, 70260260), (5, 56208208), (7, 40148720), (8, 35130130), (10, 28104104), (14, 20074360), (16, 17565065), (20, 14052052), (28, 10037180), (31, 9065840), (35, 8029744), (40, 7026026), (56, 5018590), (62, 4532920), (70, 4014872), (80, 3513013), (112, 2509295), (124, 2266460), (140, 2007436), (155, 1813168), (217, 1295120), (248, 1133230), (280, 1003718), (310, 906584), (434, 647560), (496, 566615), (560, 501859), (620, 453292), (868, 323780), (1085, 259024), (1240, 226646), (1736, 161890), (2170, 129512), (2480, 113323), (3472, 80945), (4340, 64756), (8680, 32378), (16189, 17360)]