30811396

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{461}}^1$

素因数の和:521

約数の個数: 72

約数和(自身を含む): 70785792

約数和(自身を除く): 39974396

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 44, 49, 62, 77, 98, 124, 154, 196, 217, 308, 341, 434, 461, 539, 682, 868, 922, 1078, 1364, 1519, 1844, 2156, 2387, 3038, 3227, 4774, 5071, 6076, 6454, 9548, 10142, 12908, 14291, 16709, 20284, 22589, 28582, 33418, 35497, 45178, 57164, 66836, 70994, 90356, 100037, 141988, 157201, 200074, 248479, 314402, 400148, 496958, 628804, 700259, 993916, 1100407, 1400518, 2200814, 2801036, 4401628, 7702849, 15405698, 30811396]

約数ペア:

[(1, 30811396), (2, 15405698), (4, 7702849), (7, 4401628), (11, 2801036), (14, 2200814), (22, 1400518), (28, 1100407), (31, 993916), (44, 700259), (49, 628804), (62, 496958), (77, 400148), (98, 314402), (124, 248479), (154, 200074), (196, 157201), (217, 141988), (308, 100037), (341, 90356), (434, 70994), (461, 66836), (539, 57164), (682, 45178), (868, 35497), (922, 33418), (1078, 28582), (1364, 22589), (1519, 20284), (1844, 16709), (2156, 14291), (2387, 12908), (3038, 10142), (3227, 9548), (4774, 6454), (5071, 6076)]