2001609730

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{457}}^1$

素因数の和:763

約数の個数: 64

約数和(自身を含む): 3822577920

約数和(自身を除く): 1820968190

約数列:

[1, 2, 5, 10, 23, 46, 115, 137, 139, 230, 274, 278, 457, 685, 695, 914, 1370, 1390, 2285, 3151, 3197, 4570, 6302, 6394, 10511, 15755, 15985, 19043, 21022, 31510, 31970, 38086, 52555, 62609, 63523, 95215, 105110, 125218, 127046, 190430, 313045, 317615, 437989, 626090, 635230, 875978, 1440007, 1461029, 2189945, 2880014, 2922058, 4379890, 7200035, 7305145, 8702651, 14400070, 14610290, 17405302, 43513255, 87026510, 200160973, 400321946, 1000804865, 2001609730]

約数ペア:

[(1, 2001609730), (2, 1000804865), (5, 400321946), (10, 200160973), (23, 87026510), (46, 43513255), (115, 17405302), (137, 14610290), (139, 14400070), (230, 8702651), (274, 7305145), (278, 7200035), (457, 4379890), (685, 2922058), (695, 2880014), (914, 2189945), (1370, 1461029), (1390, 1440007), (2285, 875978), (3151, 635230), (3197, 626090), (4570, 437989), (6302, 317615), (6394, 313045), (10511, 190430), (15755, 127046), (15985, 125218), (19043, 105110), (21022, 95215), (31510, 63523), (31970, 62609), (38086, 52555)]