445210220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{607}}^1$

素因数の和:680

約数の個数: 144

約数和(自身を含む): 1196310528

約数和(自身を除く): 751100308

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 52, 62, 65, 70, 91, 124, 130, 140, 155, 169, 182, 217, 260, 310, 338, 364, 403, 434, 455, 607, 620, 676, 806, 845, 868, 910, 1085, 1183, 1214, 1612, 1690, 1820, 2015, 2170, 2366, 2428, 2821, 3035, 3380, 4030, 4249, 4340, 4732, 5239, 5642, 5915, 6070, 7891, 8060, 8498, 10478, 11284, 11830, 12140, 14105, 15782, 16996, 18817, 20956, 21245, 23660, 26195, 28210, 31564, 36673, 37634, 39455, 42490, 52390, 55237, 56420, 73346, 75268, 78910, 84980, 94085, 102583, 104780, 110474, 131719, 146692, 157820, 183365, 188170, 205166, 220948, 244621, 263438, 276185, 366730, 376340, 410332, 489242, 512915, 526876, 552370, 658595, 718081, 733460, 978484, 1025830, 1104740, 1223105, 1317190, 1436162, 1712347, 2051660, 2446210, 2634380, 2872324, 3180073, 3424694, 3590405, 4892420, 6360146, 6849388, 7180810, 8561735, 12720292, 14361620, 15900365, 17123470, 22260511, 31800730, 34246940, 44521022, 63601460, 89042044, 111302555, 222605110, 445210220]

約数ペア:

[(1, 445210220), (2, 222605110), (4, 111302555), (5, 89042044), (7, 63601460), (10, 44521022), (13, 34246940), (14, 31800730), (20, 22260511), (26, 17123470), (28, 15900365), (31, 14361620), (35, 12720292), (52, 8561735), (62, 7180810), (65, 6849388), (70, 6360146), (91, 4892420), (124, 3590405), (130, 3424694), (140, 3180073), (155, 2872324), (169, 2634380), (182, 2446210), (217, 2051660), (260, 1712347), (310, 1436162), (338, 1317190), (364, 1223105), (403, 1104740), (434, 1025830), (455, 978484), (607, 733460), (620, 718081), (676, 658595), (806, 552370), (845, 526876), (868, 512915), (910, 489242), (1085, 410332), (1183, 376340), (1214, 366730), (1612, 276185), (1690, 263438), (1820, 244621), (2015, 220948), (2170, 205166), (2366, 188170), (2428, 183365), (2821, 157820), (3035, 146692), (3380, 131719), (4030, 110474), (4249, 104780), (4340, 102583), (4732, 94085), (5239, 84980), (5642, 78910), (5915, 75268), (6070, 73346), (7891, 56420), (8060, 55237), (8498, 52390), (10478, 42490), (11284, 39455), (11830, 37634), (12140, 36673), (14105, 31564), (15782, 28210), (16996, 26195), (18817, 23660), (20956, 21245)]