85940680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9901}}^1$

素因数の和:9950

約数の個数: 64

約数和(自身を含む): 228142080

約数和(自身を除く): 142201400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 9901, 19802, 39604, 49505, 69307, 79208, 99010, 138614, 198020, 277228, 306931, 346535, 396040, 554456, 613862, 693070, 1227724, 1386140, 1534655, 2148517, 2455448, 2772280, 3069310, 4297034, 6138620, 8594068, 10742585, 12277240, 17188136, 21485170, 42970340, 85940680]

約数ペア:

[(1, 85940680), (2, 42970340), (4, 21485170), (5, 17188136), (7, 12277240), (8, 10742585), (10, 8594068), (14, 6138620), (20, 4297034), (28, 3069310), (31, 2772280), (35, 2455448), (40, 2148517), (56, 1534655), (62, 1386140), (70, 1227724), (124, 693070), (140, 613862), (155, 554456), (217, 396040), (248, 346535), (280, 306931), (310, 277228), (434, 198020), (620, 138614), (868, 99010), (1085, 79208), (1240, 69307), (1736, 49505), (2170, 39604), (4340, 19802), (8680, 9901)]