449727320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{12647}}^1$

素因数の和:12792

約数の個数: 64

約数和(自身を含む): 1165639680

約数和(自身を除く): 715912360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 127, 140, 254, 280, 508, 635, 889, 1016, 1270, 1778, 2540, 3556, 4445, 5080, 7112, 8890, 12647, 17780, 25294, 35560, 50588, 63235, 88529, 101176, 126470, 177058, 252940, 354116, 442645, 505880, 708232, 885290, 1606169, 1770580, 3212338, 3541160, 6424676, 8030845, 11243183, 12849352, 16061690, 22486366, 32123380, 44972732, 56215915, 64246760, 89945464, 112431830, 224863660, 449727320]

約数ペア:

[(1, 449727320), (2, 224863660), (4, 112431830), (5, 89945464), (7, 64246760), (8, 56215915), (10, 44972732), (14, 32123380), (20, 22486366), (28, 16061690), (35, 12849352), (40, 11243183), (56, 8030845), (70, 6424676), (127, 3541160), (140, 3212338), (254, 1770580), (280, 1606169), (508, 885290), (635, 708232), (889, 505880), (1016, 442645), (1270, 354116), (1778, 252940), (2540, 177058), (3556, 126470), (4445, 101176), (5080, 88529), (7112, 63235), (8890, 50588), (12647, 35560), (17780, 25294)]