2789465840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{28793}}^1$

素因数の和:28986

約数の個数: 80

約数和(自身を含む): 7455112128

約数和(自身を除く): 4665646288

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 173, 280, 346, 560, 692, 865, 1211, 1384, 1730, 2422, 2768, 3460, 4844, 6055, 6920, 9688, 12110, 13840, 19376, 24220, 28793, 48440, 57586, 96880, 115172, 143965, 201551, 230344, 287930, 403102, 460688, 575860, 806204, 1007755, 1151720, 1612408, 2015510, 2303440, 3224816, 4031020, 4981189, 8062040, 9962378, 16124080, 19924756, 24905945, 34868323, 39849512, 49811890, 69736646, 79699024, 99623780, 139473292, 174341615, 199247560, 278946584, 348683230, 398495120, 557893168, 697366460, 1394732920, 2789465840]

約数ペア:

[(1, 2789465840), (2, 1394732920), (4, 697366460), (5, 557893168), (7, 398495120), (8, 348683230), (10, 278946584), (14, 199247560), (16, 174341615), (20, 139473292), (28, 99623780), (35, 79699024), (40, 69736646), (56, 49811890), (70, 39849512), (80, 34868323), (112, 24905945), (140, 19924756), (173, 16124080), (280, 9962378), (346, 8062040), (560, 4981189), (692, 4031020), (865, 3224816), (1211, 2303440), (1384, 2015510), (1730, 1612408), (2422, 1151720), (2768, 1007755), (3460, 806204), (4844, 575860), (6055, 460688), (6920, 403102), (9688, 287930), (12110, 230344), (13840, 201551), (19376, 143965), (24220, 115172), (28793, 96880), (48440, 57586)]