30809020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{439}}^1$

素因数の和:499

約数の個数: 72

約数和(自身を含む): 73735200

約数和(自身を除く): 42926180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 121, 145, 220, 242, 290, 319, 439, 484, 580, 605, 638, 878, 1210, 1276, 1595, 1756, 2195, 2420, 3190, 3509, 4390, 4829, 6380, 7018, 8780, 9658, 12731, 14036, 17545, 19316, 24145, 25462, 35090, 48290, 50924, 53119, 63655, 70180, 96580, 106238, 127310, 140041, 212476, 254620, 265595, 280082, 531190, 560164, 700205, 1062380, 1400410, 1540451, 2800820, 3080902, 6161804, 7702255, 15404510, 30809020]

約数ペア:

[(1, 30809020), (2, 15404510), (4, 7702255), (5, 6161804), (10, 3080902), (11, 2800820), (20, 1540451), (22, 1400410), (29, 1062380), (44, 700205), (55, 560164), (58, 531190), (110, 280082), (116, 265595), (121, 254620), (145, 212476), (220, 140041), (242, 127310), (290, 106238), (319, 96580), (439, 70180), (484, 63655), (580, 53119), (605, 50924), (638, 48290), (878, 35090), (1210, 25462), (1276, 24145), (1595, 19316), (1756, 17545), (2195, 14036), (2420, 12731), (3190, 9658), (3509, 8780), (4390, 7018), (4829, 6380)]