89497930

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:275

約数の個数: 48

約数和(自身を含む): 170160480

約数和(自身を除く): 80662550

約数列:

[1, 2, 5, 10, 31, 62, 67, 134, 139, 155, 278, 310, 335, 670, 695, 961, 1390, 1922, 2077, 4154, 4309, 4805, 8618, 9313, 9610, 10385, 18626, 20770, 21545, 43090, 46565, 64387, 93130, 128774, 133579, 267158, 288703, 321935, 577406, 643870, 667895, 1335790, 1443515, 2887030, 8949793, 17899586, 44748965, 89497930]

約数ペア:

[(1, 89497930), (2, 44748965), (5, 17899586), (10, 8949793), (31, 2887030), (62, 1443515), (67, 1335790), (134, 667895), (139, 643870), (155, 577406), (278, 321935), (310, 288703), (335, 267158), (670, 133579), (695, 128774), (961, 93130), (1390, 64387), (1922, 46565), (2077, 43090), (4154, 21545), (4309, 20770), (4805, 18626), (8618, 10385), (9313, 9610)]