91274540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{21031}}^1$

素因数の和:21078

約数の個数: 48

約数和(自身を含む): 226136064

約数和(自身を除く): 134861524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 21031, 42062, 84124, 105155, 147217, 210310, 294434, 420620, 588868, 651961, 736085, 1303922, 1472170, 2607844, 2944340, 3259805, 4563727, 6519610, 9127454, 13039220, 18254908, 22818635, 45637270, 91274540]

約数ペア:

[(1, 91274540), (2, 45637270), (4, 22818635), (5, 18254908), (7, 13039220), (10, 9127454), (14, 6519610), (20, 4563727), (28, 3259805), (31, 2944340), (35, 2607844), (62, 1472170), (70, 1303922), (124, 736085), (140, 651961), (155, 588868), (217, 420620), (310, 294434), (434, 210310), (620, 147217), (868, 105155), (1085, 84124), (2170, 42062), (4340, 21031)]