281918210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{641}}^1$

素因数の和:819

約数の個数: 64

約数和(自身を含む): 596104704

約数和(自身を除く): 314186494

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 103, 122, 206, 305, 427, 515, 610, 641, 721, 854, 1030, 1282, 1442, 2135, 3205, 3605, 4270, 4487, 6283, 6410, 7210, 8974, 12566, 22435, 31415, 39101, 43981, 44870, 62830, 66023, 78202, 87962, 132046, 195505, 219905, 273707, 330115, 391010, 439810, 462161, 547414, 660230, 924322, 1368535, 2310805, 2737070, 4027403, 4621610, 8054806, 20137015, 28191821, 40274030, 56383642, 140959105, 281918210]

約数ペア:

[(1, 281918210), (2, 140959105), (5, 56383642), (7, 40274030), (10, 28191821), (14, 20137015), (35, 8054806), (61, 4621610), (70, 4027403), (103, 2737070), (122, 2310805), (206, 1368535), (305, 924322), (427, 660230), (515, 547414), (610, 462161), (641, 439810), (721, 391010), (854, 330115), (1030, 273707), (1282, 219905), (1442, 195505), (2135, 132046), (3205, 87962), (3605, 78202), (4270, 66023), (4487, 62830), (6283, 44870), (6410, 43981), (7210, 39101), (8974, 31415), (12566, 22435)]