217086780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{997}}^1$

素因数の和:1219

約数の個数: 96

約数和(自身を含む): 643829760

約数和(自身を除く): 426742980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 191, 228, 285, 380, 382, 570, 573, 764, 955, 997, 1140, 1146, 1910, 1994, 2292, 2865, 2991, 3629, 3820, 3988, 4985, 5730, 5982, 7258, 9970, 10887, 11460, 11964, 14516, 14955, 18145, 18943, 19940, 21774, 29910, 36290, 37886, 43548, 54435, 56829, 59820, 72580, 75772, 94715, 108870, 113658, 189430, 190427, 217740, 227316, 284145, 378860, 380854, 568290, 571281, 761708, 952135, 1136580, 1142562, 1904270, 2285124, 2856405, 3618113, 3808540, 5712810, 7236226, 10854339, 11425620, 14472452, 18090565, 21708678, 36181130, 43417356, 54271695, 72362260, 108543390, 217086780]

約数ペア:

[(1, 217086780), (2, 108543390), (3, 72362260), (4, 54271695), (5, 43417356), (6, 36181130), (10, 21708678), (12, 18090565), (15, 14472452), (19, 11425620), (20, 10854339), (30, 7236226), (38, 5712810), (57, 3808540), (60, 3618113), (76, 2856405), (95, 2285124), (114, 1904270), (190, 1142562), (191, 1136580), (228, 952135), (285, 761708), (380, 571281), (382, 568290), (570, 380854), (573, 378860), (764, 284145), (955, 227316), (997, 217740), (1140, 190427), (1146, 189430), (1910, 113658), (1994, 108870), (2292, 94715), (2865, 75772), (2991, 72580), (3629, 59820), (3820, 56829), (3988, 54435), (4985, 43548), (5730, 37886), (5982, 36290), (7258, 29910), (9970, 21774), (10887, 19940), (11460, 18943), (11964, 18145), (14516, 14955)]