331966180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{367}}^1$

素因数の和:474

約数の個数: 144

約数和(自身を含む): 888039936

約数和(自身を除く): 556073756

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 71, 91, 98, 130, 140, 142, 182, 196, 245, 260, 284, 355, 364, 367, 455, 490, 497, 637, 710, 734, 910, 923, 980, 994, 1274, 1420, 1468, 1820, 1835, 1846, 1988, 2485, 2548, 2569, 3185, 3479, 3670, 3692, 4615, 4771, 4970, 5138, 6370, 6461, 6958, 7340, 9230, 9542, 9940, 10276, 12740, 12845, 12922, 13916, 17395, 17983, 18460, 19084, 23855, 25690, 25844, 26057, 32305, 33397, 34790, 35966, 45227, 47710, 51380, 52114, 64610, 66794, 69580, 71932, 89915, 90454, 95420, 104228, 129220, 130285, 133588, 166985, 179830, 180908, 182399, 226135, 233779, 260570, 333970, 338741, 359660, 364798, 452270, 467558, 521140, 667940, 677482, 729596, 904540, 911995, 935116, 1168895, 1276793, 1354964, 1693705, 1823990, 2337790, 2371187, 2553586, 3387410, 3647980, 4675580, 4742374, 5107172, 6383965, 6774820, 9484748, 11855935, 12767930, 16598309, 23711870, 25535860, 33196618, 47423740, 66393236, 82991545, 165983090, 331966180]

約数ペア:

[(1, 331966180), (2, 165983090), (4, 82991545), (5, 66393236), (7, 47423740), (10, 33196618), (13, 25535860), (14, 23711870), (20, 16598309), (26, 12767930), (28, 11855935), (35, 9484748), (49, 6774820), (52, 6383965), (65, 5107172), (70, 4742374), (71, 4675580), (91, 3647980), (98, 3387410), (130, 2553586), (140, 2371187), (142, 2337790), (182, 1823990), (196, 1693705), (245, 1354964), (260, 1276793), (284, 1168895), (355, 935116), (364, 911995), (367, 904540), (455, 729596), (490, 677482), (497, 667940), (637, 521140), (710, 467558), (734, 452270), (910, 364798), (923, 359660), (980, 338741), (994, 333970), (1274, 260570), (1420, 233779), (1468, 226135), (1820, 182399), (1835, 180908), (1846, 179830), (1988, 166985), (2485, 133588), (2548, 130285), (2569, 129220), (3185, 104228), (3479, 95420), (3670, 90454), (3692, 89915), (4615, 71932), (4771, 69580), (4970, 66794), (5138, 64610), (6370, 52114), (6461, 51380), (6958, 47710), (7340, 45227), (9230, 35966), (9542, 34790), (9940, 33397), (10276, 32305), (12740, 26057), (12845, 25844), (12922, 25690), (13916, 23855), (17395, 19084), (17983, 18460)]