8994340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 19837440

約数和(自身を除く): 10843100

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 89, 124, 155, 163, 178, 310, 326, 356, 445, 620, 652, 815, 890, 1630, 1780, 2759, 3260, 5053, 5518, 10106, 11036, 13795, 14507, 20212, 25265, 27590, 29014, 50530, 55180, 58028, 72535, 101060, 145070, 290140, 449717, 899434, 1798868, 2248585, 4497170, 8994340]

約数ペア:

[(1, 8994340), (2, 4497170), (4, 2248585), (5, 1798868), (10, 899434), (20, 449717), (31, 290140), (62, 145070), (89, 101060), (124, 72535), (155, 58028), (163, 55180), (178, 50530), (310, 29014), (326, 27590), (356, 25265), (445, 20212), (620, 14507), (652, 13795), (815, 11036), (890, 10106), (1630, 5518), (1780, 5053), (2759, 3260)]