161749340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{4451}}^1$

素因数の和:4562

約数の個数: 48

約数和(自身を含む): 359009280

約数和(自身を除く): 197259940

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 79, 92, 115, 158, 230, 316, 395, 460, 790, 1580, 1817, 3634, 4451, 7268, 8902, 9085, 17804, 18170, 22255, 36340, 44510, 89020, 102373, 204746, 351629, 409492, 511865, 703258, 1023730, 1406516, 1758145, 2047460, 3516290, 7032580, 8087467, 16174934, 32349868, 40437335, 80874670, 161749340]

約数ペア:

[(1, 161749340), (2, 80874670), (4, 40437335), (5, 32349868), (10, 16174934), (20, 8087467), (23, 7032580), (46, 3516290), (79, 2047460), (92, 1758145), (115, 1406516), (158, 1023730), (230, 703258), (316, 511865), (395, 409492), (460, 351629), (790, 204746), (1580, 102373), (1817, 89020), (3634, 44510), (4451, 36340), (7268, 22255), (8902, 18170), (9085, 17804)]