1900647540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{2347}}^1$

素因数の和:2782

約数の個数: 144

約数和(自身を含む): 6307479360

約数和(自身を除く): 4406831820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 409, 495, 660, 818, 990, 1227, 1636, 1980, 2045, 2347, 2454, 3681, 4090, 4499, 4694, 4908, 6135, 7041, 7362, 8180, 8998, 9388, 11735, 12270, 13497, 14082, 14724, 17996, 18405, 21123, 22495, 23470, 24540, 25817, 26994, 28164, 35205, 36810, 40491, 42246, 44990, 46940, 51634, 53988, 67485, 70410, 73620, 77451, 80982, 84492, 89980, 103268, 105615, 129085, 134970, 140820, 154902, 161964, 202455, 211230, 232353, 258170, 269940, 309804, 387255, 404910, 422460, 464706, 516340, 774510, 809820, 929412, 959923, 1161765, 1549020, 1919846, 2323530, 2879769, 3839692, 4647060, 4799615, 5759538, 8639307, 9599230, 10559153, 11519076, 14398845, 17278614, 19198460, 21118306, 28797690, 31677459, 34557228, 42236612, 43196535, 52795765, 57595380, 63354918, 86393070, 95032377, 105591530, 126709836, 158387295, 172786140, 190064754, 211183060, 316774590, 380129508, 475161885, 633549180, 950323770, 1900647540]

約数ペア:

[(1, 1900647540), (2, 950323770), (3, 633549180), (4, 475161885), (5, 380129508), (6, 316774590), (9, 211183060), (10, 190064754), (11, 172786140), (12, 158387295), (15, 126709836), (18, 105591530), (20, 95032377), (22, 86393070), (30, 63354918), (33, 57595380), (36, 52795765), (44, 43196535), (45, 42236612), (55, 34557228), (60, 31677459), (66, 28797690), (90, 21118306), (99, 19198460), (110, 17278614), (132, 14398845), (165, 11519076), (180, 10559153), (198, 9599230), (220, 8639307), (330, 5759538), (396, 4799615), (409, 4647060), (495, 3839692), (660, 2879769), (818, 2323530), (990, 1919846), (1227, 1549020), (1636, 1161765), (1980, 959923), (2045, 929412), (2347, 809820), (2454, 774510), (3681, 516340), (4090, 464706), (4499, 422460), (4694, 404910), (4908, 387255), (6135, 309804), (7041, 269940), (7362, 258170), (8180, 232353), (8998, 211230), (9388, 202455), (11735, 161964), (12270, 154902), (13497, 140820), (14082, 134970), (14724, 129085), (17996, 105615), (18405, 103268), (21123, 89980), (22495, 84492), (23470, 80982), (24540, 77451), (25817, 73620), (26994, 70410), (28164, 67485), (35205, 53988), (36810, 51634), (40491, 46940), (42246, 44990)]