90172940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{769}}^1$

素因数の和:843

約数の個数: 96

約数和(自身を含む): 228191040

約数和(自身を除く): 138018100

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 41, 44, 52, 55, 65, 82, 110, 130, 143, 164, 205, 220, 260, 286, 410, 451, 533, 572, 715, 769, 820, 902, 1066, 1430, 1538, 1804, 2132, 2255, 2665, 2860, 3076, 3845, 4510, 5330, 5863, 7690, 8459, 9020, 9997, 10660, 11726, 15380, 16918, 19994, 23452, 29315, 31529, 33836, 39988, 42295, 49985, 58630, 63058, 84590, 99970, 109967, 117260, 126116, 157645, 169180, 199940, 219934, 315290, 346819, 409877, 439868, 549835, 630580, 693638, 819754, 1099670, 1387276, 1639508, 1734095, 2049385, 2199340, 3468190, 4098770, 4508647, 6936380, 8197540, 9017294, 18034588, 22543235, 45086470, 90172940]

約数ペア:

[(1, 90172940), (2, 45086470), (4, 22543235), (5, 18034588), (10, 9017294), (11, 8197540), (13, 6936380), (20, 4508647), (22, 4098770), (26, 3468190), (41, 2199340), (44, 2049385), (52, 1734095), (55, 1639508), (65, 1387276), (82, 1099670), (110, 819754), (130, 693638), (143, 630580), (164, 549835), (205, 439868), (220, 409877), (260, 346819), (286, 315290), (410, 219934), (451, 199940), (533, 169180), (572, 157645), (715, 126116), (769, 117260), (820, 109967), (902, 99970), (1066, 84590), (1430, 63058), (1538, 58630), (1804, 49985), (2132, 42295), (2255, 39988), (2665, 33836), (2860, 31529), (3076, 29315), (3845, 23452), (4510, 19994), (5330, 16918), (5863, 15380), (7690, 11726), (8459, 10660), (9020, 9997)]