2005803020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:304

約数の個数: 192

約数和(自身を含む): 4999034880

約数和(自身を除く): 2993231860

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 47, 52, 53, 65, 76, 94, 95, 106, 130, 163, 188, 190, 212, 235, 247, 260, 265, 326, 380, 470, 494, 530, 611, 652, 689, 815, 893, 940, 988, 1007, 1060, 1222, 1235, 1378, 1630, 1786, 2014, 2119, 2444, 2470, 2491, 2756, 3055, 3097, 3260, 3445, 3572, 4028, 4238, 4465, 4940, 4982, 5035, 6110, 6194, 6890, 7661, 8476, 8639, 8930, 9964, 10070, 10595, 11609, 12220, 12388, 12455, 13091, 13780, 15322, 15485, 17278, 17860, 20140, 21190, 23218, 24910, 26182, 30644, 30970, 32383, 34556, 38305, 40261, 42380, 43195, 46436, 47329, 49820, 52364, 58045, 61940, 64766, 65455, 76610, 80522, 86390, 94658, 99593, 112307, 116090, 129532, 130910, 145559, 153220, 161044, 161915, 164141, 172780, 189316, 199186, 201305, 224614, 232180, 236645, 261820, 291118, 323830, 328282, 398372, 402610, 406033, 449228, 473290, 497965, 561535, 582236, 615277, 647660, 656564, 727795, 805220, 812066, 820705, 946580, 995930, 1123070, 1230554, 1455590, 1624132, 1641410, 1892267, 1991860, 2030165, 2133833, 2246140, 2461108, 2911180, 3076385, 3282820, 3784534, 4060330, 4267666, 5278429, 6152770, 7569068, 7714627, 8120660, 8535332, 9461335, 10556858, 10669165, 12305540, 15429254, 18922670, 21113716, 21338330, 26392145, 30858508, 37845340, 38573135, 42676660, 52784290, 77146270, 100290151, 105568580, 154292540, 200580302, 401160604, 501450755, 1002901510, 2005803020]

約数ペア:

[(1, 2005803020), (2, 1002901510), (4, 501450755), (5, 401160604), (10, 200580302), (13, 154292540), (19, 105568580), (20, 100290151), (26, 77146270), (38, 52784290), (47, 42676660), (52, 38573135), (53, 37845340), (65, 30858508), (76, 26392145), (94, 21338330), (95, 21113716), (106, 18922670), (130, 15429254), (163, 12305540), (188, 10669165), (190, 10556858), (212, 9461335), (235, 8535332), (247, 8120660), (260, 7714627), (265, 7569068), (326, 6152770), (380, 5278429), (470, 4267666), (494, 4060330), (530, 3784534), (611, 3282820), (652, 3076385), (689, 2911180), (815, 2461108), (893, 2246140), (940, 2133833), (988, 2030165), (1007, 1991860), (1060, 1892267), (1222, 1641410), (1235, 1624132), (1378, 1455590), (1630, 1230554), (1786, 1123070), (2014, 995930), (2119, 946580), (2444, 820705), (2470, 812066), (2491, 805220), (2756, 727795), (3055, 656564), (3097, 647660), (3260, 615277), (3445, 582236), (3572, 561535), (4028, 497965), (4238, 473290), (4465, 449228), (4940, 406033), (4982, 402610), (5035, 398372), (6110, 328282), (6194, 323830), (6890, 291118), (7661, 261820), (8476, 236645), (8639, 232180), (8930, 224614), (9964, 201305), (10070, 199186), (10595, 189316), (11609, 172780), (12220, 164141), (12388, 161915), (12455, 161044), (13091, 153220), (13780, 145559), (15322, 130910), (15485, 129532), (17278, 116090), (17860, 112307), (20140, 99593), (21190, 94658), (23218, 86390), (24910, 80522), (26182, 76610), (30644, 65455), (30970, 64766), (32383, 61940), (34556, 58045), (38305, 52364), (40261, 49820), (42380, 47329), (43195, 46436)]