290507840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2447}}^1$

素因数の和:2524

約数の個数: 112

約数和(自身を含む): 805842432

約数和(自身を除く): 515334592

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 53, 56, 64, 70, 80, 106, 112, 140, 160, 212, 224, 265, 280, 320, 371, 424, 448, 530, 560, 742, 848, 1060, 1120, 1484, 1696, 1855, 2120, 2240, 2447, 2968, 3392, 3710, 4240, 4894, 5936, 7420, 8480, 9788, 11872, 12235, 14840, 16960, 17129, 19576, 23744, 24470, 29680, 34258, 39152, 48940, 59360, 68516, 78304, 85645, 97880, 118720, 129691, 137032, 156608, 171290, 195760, 259382, 274064, 342580, 391520, 518764, 548128, 648455, 685160, 783040, 907837, 1037528, 1096256, 1296910, 1370320, 1815674, 2075056, 2593820, 2740640, 3631348, 4150112, 4539185, 5187640, 5481280, 7262696, 8300224, 9078370, 10375280, 14525392, 18156740, 20750560, 29050784, 36313480, 41501120, 58101568, 72626960, 145253920, 290507840]

約数ペア:

[(1, 290507840), (2, 145253920), (4, 72626960), (5, 58101568), (7, 41501120), (8, 36313480), (10, 29050784), (14, 20750560), (16, 18156740), (20, 14525392), (28, 10375280), (32, 9078370), (35, 8300224), (40, 7262696), (53, 5481280), (56, 5187640), (64, 4539185), (70, 4150112), (80, 3631348), (106, 2740640), (112, 2593820), (140, 2075056), (160, 1815674), (212, 1370320), (224, 1296910), (265, 1096256), (280, 1037528), (320, 907837), (371, 783040), (424, 685160), (448, 648455), (530, 548128), (560, 518764), (742, 391520), (848, 342580), (1060, 274064), (1120, 259382), (1484, 195760), (1696, 171290), (1855, 156608), (2120, 137032), (2240, 129691), (2447, 118720), (2968, 97880), (3392, 85645), (3710, 78304), (4240, 68516), (4894, 59360), (5936, 48940), (7420, 39152), (8480, 34258), (9788, 29680), (11872, 24470), (12235, 23744), (14840, 19576), (16960, 17129)]