85799980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{3019}}^1$

素因数の和:3071

約数の個数: 72

約数和(自身を含む): 216896400

約数和(自身を除く): 131096420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 406, 490, 580, 812, 980, 1015, 1421, 2030, 2842, 3019, 4060, 5684, 6038, 7105, 12076, 14210, 15095, 21133, 28420, 30190, 42266, 60380, 84532, 87551, 105665, 147931, 175102, 211330, 295862, 350204, 422660, 437755, 591724, 612857, 739655, 875510, 1225714, 1479310, 1751020, 2451428, 2958620, 3064285, 4289999, 6128570, 8579998, 12257140, 17159996, 21449995, 42899990, 85799980]

約数ペア:

[(1, 85799980), (2, 42899990), (4, 21449995), (5, 17159996), (7, 12257140), (10, 8579998), (14, 6128570), (20, 4289999), (28, 3064285), (29, 2958620), (35, 2451428), (49, 1751020), (58, 1479310), (70, 1225714), (98, 875510), (116, 739655), (140, 612857), (145, 591724), (196, 437755), (203, 422660), (245, 350204), (290, 295862), (406, 211330), (490, 175102), (580, 147931), (812, 105665), (980, 87551), (1015, 84532), (1421, 60380), (2030, 42266), (2842, 30190), (3019, 28420), (4060, 21133), (5684, 15095), (6038, 14210), (7105, 12076)]