278330540

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{1567}}^1$

素因数の和:1766

約数の個数: 48

約数和(自身を含む): 597445632

約数和(自身を除く): 319115092

約数列:

[1, 2, 4, 5, 10, 20, 83, 107, 166, 214, 332, 415, 428, 535, 830, 1070, 1567, 1660, 2140, 3134, 6268, 7835, 8881, 15670, 17762, 31340, 35524, 44405, 88810, 130061, 167669, 177620, 260122, 335338, 520244, 650305, 670676, 838345, 1300610, 1676690, 2601220, 3353380, 13916527, 27833054, 55666108, 69582635, 139165270, 278330540]

約数ペア:

[(1, 278330540), (2, 139165270), (4, 69582635), (5, 55666108), (10, 27833054), (20, 13916527), (83, 3353380), (107, 2601220), (166, 1676690), (214, 1300610), (332, 838345), (415, 670676), (428, 650305), (535, 520244), (830, 335338), (1070, 260122), (1567, 177620), (1660, 167669), (2140, 130061), (3134, 88810), (6268, 44405), (7835, 35524), (8881, 31340), (15670, 17762)]