289714736

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{599}}^1$

素因数の和:706

約数の個数: 80

約数和(自身を含む): 621984000

約数和(自身を除く): 332269264

約数列:

[1, 2, 4, 8, 16, 19, 37, 38, 43, 74, 76, 86, 148, 152, 172, 296, 304, 344, 592, 599, 688, 703, 817, 1198, 1406, 1591, 1634, 2396, 2812, 3182, 3268, 4792, 5624, 6364, 6536, 9584, 11248, 11381, 12728, 13072, 22163, 22762, 25456, 25757, 30229, 44326, 45524, 51514, 60458, 88652, 91048, 103028, 120916, 177304, 182096, 206056, 241832, 354608, 412112, 421097, 483664, 489383, 842194, 953009, 978766, 1684388, 1906018, 1957532, 3368776, 3812036, 3915064, 6737552, 7624072, 7830128, 15248144, 18107171, 36214342, 72428684, 144857368, 289714736]

約数ペア:

[(1, 289714736), (2, 144857368), (4, 72428684), (8, 36214342), (16, 18107171), (19, 15248144), (37, 7830128), (38, 7624072), (43, 6737552), (74, 3915064), (76, 3812036), (86, 3368776), (148, 1957532), (152, 1906018), (172, 1684388), (296, 978766), (304, 953009), (344, 842194), (592, 489383), (599, 483664), (688, 421097), (703, 412112), (817, 354608), (1198, 241832), (1406, 206056), (1591, 182096), (1634, 177304), (2396, 120916), (2812, 103028), (3182, 91048), (3268, 88652), (4792, 60458), (5624, 51514), (6364, 45524), (6536, 44326), (9584, 30229), (11248, 25757), (11381, 25456), (12728, 22762), (13072, 22163)]