287768390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{463}}^1\times {\mathrm{683}}^1$

素因数の和:1173

約数の個数: 64

約数和(自身を含む): 639830016

約数和(自身を除く): 352061626

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 463, 683, 910, 926, 1366, 2315, 3241, 3415, 4630, 4781, 6019, 6482, 6830, 8879, 9562, 12038, 16205, 17758, 23905, 30095, 32410, 42133, 44395, 47810, 60190, 62153, 84266, 88790, 124306, 210665, 310765, 316229, 421330, 621530, 632458, 1581145, 2213603, 3162290, 4110977, 4427206, 8221954, 11068015, 20554885, 22136030, 28776839, 41109770, 57553678, 143884195, 287768390]

約数ペア:

[(1, 287768390), (2, 143884195), (5, 57553678), (7, 41109770), (10, 28776839), (13, 22136030), (14, 20554885), (26, 11068015), (35, 8221954), (65, 4427206), (70, 4110977), (91, 3162290), (130, 2213603), (182, 1581145), (455, 632458), (463, 621530), (683, 421330), (910, 316229), (926, 310765), (1366, 210665), (2315, 124306), (3241, 88790), (3415, 84266), (4630, 62153), (4781, 60190), (6019, 47810), (6482, 44395), (6830, 42133), (8879, 32410), (9562, 30095), (12038, 23905), (16205, 17758)]