489678640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29287}}^1$

素因数の和:29330

約数の個数: 80

約数和(自身を含む): 1307416320

約数和(自身を除く): 817737680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3344, 4180, 8360, 16720, 29287, 58574, 117148, 146435, 234296, 292870, 322157, 468592, 556453, 585740, 644314, 1112906, 1171480, 1288628, 1610785, 2225812, 2342960, 2577256, 2782265, 3221570, 4451624, 5154512, 5564530, 6120983, 6443140, 8903248, 11129060, 12241966, 12886280, 22258120, 24483932, 25772560, 30604915, 44516240, 48967864, 61209830, 97935728, 122419660, 244839320, 489678640]

約数ペア:

[(1, 489678640), (2, 244839320), (4, 122419660), (5, 97935728), (8, 61209830), (10, 48967864), (11, 44516240), (16, 30604915), (19, 25772560), (20, 24483932), (22, 22258120), (38, 12886280), (40, 12241966), (44, 11129060), (55, 8903248), (76, 6443140), (80, 6120983), (88, 5564530), (95, 5154512), (110, 4451624), (152, 3221570), (176, 2782265), (190, 2577256), (209, 2342960), (220, 2225812), (304, 1610785), (380, 1288628), (418, 1171480), (440, 1112906), (760, 644314), (836, 585740), (880, 556453), (1045, 468592), (1520, 322157), (1672, 292870), (2090, 234296), (3344, 146435), (4180, 117148), (8360, 58574), (16720, 29287)]