84386820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{28703}}^1$

素因数の和:28729

約数の個数: 72

約数和(自身を含む): 274869504

約数和(自身を除く): 190482684

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 28703, 57406, 86109, 114812, 143515, 172218, 200921, 287030, 344436, 401842, 430545, 574060, 602763, 803684, 861090, 1004605, 1205526, 1406447, 1722180, 2009210, 2411052, 2812894, 3013815, 4018420, 4219341, 5625788, 6027630, 7032235, 8438682, 12055260, 14064470, 16877364, 21096705, 28128940, 42193410, 84386820]

約数ペア:

[(1, 84386820), (2, 42193410), (3, 28128940), (4, 21096705), (5, 16877364), (6, 14064470), (7, 12055260), (10, 8438682), (12, 7032235), (14, 6027630), (15, 5625788), (20, 4219341), (21, 4018420), (28, 3013815), (30, 2812894), (35, 2411052), (42, 2009210), (49, 1722180), (60, 1406447), (70, 1205526), (84, 1004605), (98, 861090), (105, 803684), (140, 602763), (147, 574060), (196, 430545), (210, 401842), (245, 344436), (294, 287030), (420, 200921), (490, 172218), (588, 143515), (735, 114812), (980, 86109), (1470, 57406), (2940, 28703)]