290276870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:310

約数の個数: 128

約数和(自身を含む): 650280960

約数和(自身を除く): 360004090

約数列:

[1, 2, 5, 10, 13, 17, 19, 26, 31, 34, 38, 62, 65, 85, 95, 130, 155, 170, 190, 221, 223, 247, 310, 323, 403, 442, 446, 494, 527, 589, 646, 806, 1054, 1105, 1115, 1178, 1235, 1615, 2015, 2210, 2230, 2470, 2635, 2899, 2945, 3230, 3791, 4030, 4199, 4237, 5270, 5798, 5890, 6851, 6913, 7582, 7657, 8398, 8474, 10013, 13702, 13826, 14495, 15314, 18955, 20026, 20995, 21185, 28990, 34255, 34565, 37910, 38285, 41990, 42370, 49283, 50065, 55081, 68510, 69130, 72029, 76570, 89869, 98566, 100130, 110162, 117521, 130169, 131347, 144058, 179738, 235042, 246415, 260338, 262694, 275405, 360145, 449345, 492830, 550810, 587605, 650845, 656735, 720290, 898690, 936377, 1175210, 1301690, 1313470, 1527773, 1707511, 1872754, 2232899, 3055546, 3415022, 4465798, 4681885, 7638865, 8537555, 9363770, 11164495, 15277730, 17075110, 22328990, 29027687, 58055374, 145138435, 290276870]

約数ペア:

[(1, 290276870), (2, 145138435), (5, 58055374), (10, 29027687), (13, 22328990), (17, 17075110), (19, 15277730), (26, 11164495), (31, 9363770), (34, 8537555), (38, 7638865), (62, 4681885), (65, 4465798), (85, 3415022), (95, 3055546), (130, 2232899), (155, 1872754), (170, 1707511), (190, 1527773), (221, 1313470), (223, 1301690), (247, 1175210), (310, 936377), (323, 898690), (403, 720290), (442, 656735), (446, 650845), (494, 587605), (527, 550810), (589, 492830), (646, 449345), (806, 360145), (1054, 275405), (1105, 262694), (1115, 260338), (1178, 246415), (1235, 235042), (1615, 179738), (2015, 144058), (2210, 131347), (2230, 130169), (2470, 117521), (2635, 110162), (2899, 100130), (2945, 98566), (3230, 89869), (3791, 76570), (4030, 72029), (4199, 69130), (4237, 68510), (5270, 55081), (5798, 50065), (5890, 49283), (6851, 42370), (6913, 41990), (7582, 38285), (7657, 37910), (8398, 34565), (8474, 34255), (10013, 28990), (13702, 21185), (13826, 20995), (14495, 20026), (15314, 18955)]