449881840

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{1759}}^1$

素因数の和:1934

約数の個数: 80

約数和(自身を含む): 1099929600

約数和(自身を除く): 650047760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 139, 184, 230, 278, 368, 460, 556, 695, 920, 1112, 1390, 1759, 1840, 2224, 2780, 3197, 3518, 5560, 6394, 7036, 8795, 11120, 12788, 14072, 15985, 17590, 25576, 28144, 31970, 35180, 40457, 51152, 63940, 70360, 80914, 127880, 140720, 161828, 202285, 244501, 255760, 323656, 404570, 489002, 647312, 809140, 978004, 1222505, 1618280, 1956008, 2445010, 3236560, 3912016, 4890020, 5623523, 9780040, 11247046, 19560080, 22494092, 28117615, 44988184, 56235230, 89976368, 112470460, 224940920, 449881840]

約数ペア:

[(1, 449881840), (2, 224940920), (4, 112470460), (5, 89976368), (8, 56235230), (10, 44988184), (16, 28117615), (20, 22494092), (23, 19560080), (40, 11247046), (46, 9780040), (80, 5623523), (92, 4890020), (115, 3912016), (139, 3236560), (184, 2445010), (230, 1956008), (278, 1618280), (368, 1222505), (460, 978004), (556, 809140), (695, 647312), (920, 489002), (1112, 404570), (1390, 323656), (1759, 255760), (1840, 244501), (2224, 202285), (2780, 161828), (3197, 140720), (3518, 127880), (5560, 80914), (6394, 70360), (7036, 63940), (8795, 51152), (11120, 40457), (12788, 35180), (14072, 31970), (15985, 28144), (17590, 25576)]