217874860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{953}}^1$

素因数の和:1063

約数の個数: 96

約数和(自身を含む): 553900032

約数和(自身を除く): 336025172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 71, 92, 115, 140, 142, 161, 230, 284, 322, 355, 460, 497, 644, 710, 805, 953, 994, 1420, 1610, 1633, 1906, 1988, 2485, 3220, 3266, 3812, 4765, 4970, 6532, 6671, 8165, 9530, 9940, 11431, 13342, 16330, 19060, 21919, 22862, 26684, 32660, 33355, 43838, 45724, 57155, 66710, 67663, 87676, 109595, 114310, 133420, 135326, 153433, 219190, 228620, 270652, 306866, 338315, 438380, 473641, 613732, 676630, 767165, 947282, 1353260, 1534330, 1556249, 1894564, 2368205, 3068660, 3112498, 4736410, 6224996, 7781245, 9472820, 10893743, 15562490, 21787486, 31124980, 43574972, 54468715, 108937430, 217874860]

約数ペア:

[(1, 217874860), (2, 108937430), (4, 54468715), (5, 43574972), (7, 31124980), (10, 21787486), (14, 15562490), (20, 10893743), (23, 9472820), (28, 7781245), (35, 6224996), (46, 4736410), (70, 3112498), (71, 3068660), (92, 2368205), (115, 1894564), (140, 1556249), (142, 1534330), (161, 1353260), (230, 947282), (284, 767165), (322, 676630), (355, 613732), (460, 473641), (497, 438380), (644, 338315), (710, 306866), (805, 270652), (953, 228620), (994, 219190), (1420, 153433), (1610, 135326), (1633, 133420), (1906, 114310), (1988, 109595), (2485, 87676), (3220, 67663), (3266, 66710), (3812, 57155), (4765, 45724), (4970, 43838), (6532, 33355), (6671, 32660), (8165, 26684), (9530, 22862), (9940, 21919), (11431, 19060), (13342, 16330)]