1900556490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{2081}}^1\times {\mathrm{4349}}^1$

素因数の和:6447

約数の個数: 64

約数和(自身を含む): 5216659200

約数和(自身を除く): 3316102710

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 2081, 4162, 4349, 6243, 8698, 10405, 12486, 13047, 14567, 20810, 21745, 26094, 29134, 30443, 31215, 43490, 43701, 60886, 62430, 65235, 72835, 87402, 91329, 130470, 145670, 152215, 182658, 218505, 304430, 437010, 456645, 913290, 9050269, 18100538, 27150807, 45251345, 54301614, 63351883, 90502690, 126703766, 135754035, 190055649, 271508070, 316759415, 380111298, 633518830, 950278245, 1900556490]

約数ペア:

[(1, 1900556490), (2, 950278245), (3, 633518830), (5, 380111298), (6, 316759415), (7, 271508070), (10, 190055649), (14, 135754035), (15, 126703766), (21, 90502690), (30, 63351883), (35, 54301614), (42, 45251345), (70, 27150807), (105, 18100538), (210, 9050269), (2081, 913290), (4162, 456645), (4349, 437010), (6243, 304430), (8698, 218505), (10405, 182658), (12486, 152215), (13047, 145670), (14567, 130470), (20810, 91329), (21745, 87402), (26094, 72835), (29134, 65235), (30443, 62430), (31215, 60886), (43490, 43701)]