289644740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{521}}^1$

素因数の和:586

約数の個数: 144

約数和(自身を含む): 801892224

約数和(自身を除く): 512247484

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 55, 70, 76, 77, 95, 110, 133, 140, 154, 190, 209, 220, 266, 308, 361, 380, 385, 418, 521, 532, 665, 722, 770, 836, 1042, 1045, 1330, 1444, 1463, 1540, 1805, 2084, 2090, 2527, 2605, 2660, 2926, 3610, 3647, 3971, 4180, 5054, 5210, 5731, 5852, 7220, 7294, 7315, 7942, 9899, 10108, 10420, 11462, 12635, 14588, 14630, 15884, 18235, 19798, 19855, 22924, 25270, 27797, 28655, 29260, 36470, 39596, 39710, 40117, 49495, 50540, 55594, 57310, 69293, 72940, 79420, 80234, 98990, 108889, 111188, 114620, 138586, 138985, 160468, 188081, 197980, 200585, 217778, 277172, 277970, 346465, 376162, 401170, 435556, 544445, 555940, 692930, 752324, 762223, 802340, 940405, 1088890, 1316567, 1385860, 1524446, 1880810, 2068891, 2177780, 2633134, 3048892, 3761620, 3811115, 4137782, 5266268, 6582835, 7622230, 8275564, 10344455, 13165670, 14482237, 15244460, 20688910, 26331340, 28964474, 41377820, 57928948, 72411185, 144822370, 289644740]

約数ペア:

[(1, 289644740), (2, 144822370), (4, 72411185), (5, 57928948), (7, 41377820), (10, 28964474), (11, 26331340), (14, 20688910), (19, 15244460), (20, 14482237), (22, 13165670), (28, 10344455), (35, 8275564), (38, 7622230), (44, 6582835), (55, 5266268), (70, 4137782), (76, 3811115), (77, 3761620), (95, 3048892), (110, 2633134), (133, 2177780), (140, 2068891), (154, 1880810), (190, 1524446), (209, 1385860), (220, 1316567), (266, 1088890), (308, 940405), (361, 802340), (380, 762223), (385, 752324), (418, 692930), (521, 555940), (532, 544445), (665, 435556), (722, 401170), (770, 376162), (836, 346465), (1042, 277970), (1045, 277172), (1330, 217778), (1444, 200585), (1463, 197980), (1540, 188081), (1805, 160468), (2084, 138985), (2090, 138586), (2527, 114620), (2605, 111188), (2660, 108889), (2926, 98990), (3610, 80234), (3647, 79420), (3971, 72940), (4180, 69293), (5054, 57310), (5210, 55594), (5731, 50540), (5852, 49495), (7220, 40117), (7294, 39710), (7315, 39596), (7942, 36470), (9899, 29260), (10108, 28655), (10420, 27797), (11462, 25270), (12635, 22924), (14588, 19855), (14630, 19798), (15884, 18235)]