2047404920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{367}}^1\times {\mathrm{409}}^1$

素因数の和:829

約数の個数: 128

約数和(自身を含む): 5214412800

約数和(自身を除く): 3167007880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 367, 409, 440, 620, 682, 734, 818, 1240, 1364, 1468, 1636, 1705, 1835, 2045, 2728, 2936, 3272, 3410, 3670, 4037, 4090, 4499, 6820, 7340, 8074, 8180, 8998, 11377, 12679, 13640, 14680, 16148, 16360, 17996, 20185, 22495, 22754, 25358, 32296, 35992, 40370, 44990, 45508, 50716, 56885, 63395, 80740, 89980, 91016, 101432, 113770, 125147, 126790, 139469, 150103, 161480, 179960, 227540, 250294, 253580, 278938, 300206, 455080, 500588, 507160, 557876, 600412, 625735, 697345, 750515, 1001176, 1115752, 1200824, 1251470, 1394690, 1501030, 1651133, 2502940, 2789380, 3002060, 3302266, 4653193, 5005880, 5578760, 6004120, 6604532, 8255665, 9306386, 13209064, 16511330, 18612772, 23265965, 33022660, 37225544, 46531930, 51185123, 66045320, 93063860, 102370246, 186127720, 204740492, 255925615, 409480984, 511851230, 1023702460, 2047404920]

約数ペア:

[(1, 2047404920), (2, 1023702460), (4, 511851230), (5, 409480984), (8, 255925615), (10, 204740492), (11, 186127720), (20, 102370246), (22, 93063860), (31, 66045320), (40, 51185123), (44, 46531930), (55, 37225544), (62, 33022660), (88, 23265965), (110, 18612772), (124, 16511330), (155, 13209064), (220, 9306386), (248, 8255665), (310, 6604532), (341, 6004120), (367, 5578760), (409, 5005880), (440, 4653193), (620, 3302266), (682, 3002060), (734, 2789380), (818, 2502940), (1240, 1651133), (1364, 1501030), (1468, 1394690), (1636, 1251470), (1705, 1200824), (1835, 1115752), (2045, 1001176), (2728, 750515), (2936, 697345), (3272, 625735), (3410, 600412), (3670, 557876), (4037, 507160), (4090, 500588), (4499, 455080), (6820, 300206), (7340, 278938), (8074, 253580), (8180, 250294), (8998, 227540), (11377, 179960), (12679, 161480), (13640, 150103), (14680, 139469), (16148, 126790), (16360, 125147), (17996, 113770), (20185, 101432), (22495, 91016), (22754, 89980), (25358, 80740), (32296, 63395), (35992, 56885), (40370, 50716), (44990, 45508)]