4418120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1$

素因数の和:558

約数の個数: 64

約数和(自身を含む): 11750400

約数和(自身を除く): 7332280

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, 509, 620, 868, 1018, 1085, 1240, 1736, 2036, 2170, 2545, 3563, 4072, 4340, 5090, 7126, 8680, 10180, 14252, 15779, 17815, 20360, 28504, 31558, 35630, 63116, 71260, 78895, 110453, 126232, 142520, 157790, 220906, 315580, 441812, 552265, 631160, 883624, 1104530, 2209060, 4418120]

約数ペア:

[(1, 4418120), (2, 2209060), (4, 1104530), (5, 883624), (7, 631160), (8, 552265), (10, 441812), (14, 315580), (20, 220906), (28, 157790), (31, 142520), (35, 126232), (40, 110453), (56, 78895), (62, 71260), (70, 63116), (124, 35630), (140, 31558), (155, 28504), (217, 20360), (248, 17815), (280, 15779), (310, 14252), (434, 10180), (509, 8680), (620, 7126), (868, 5090), (1018, 4340), (1085, 4072), (1240, 3563), (1736, 2545), (2036, 2170)]