777740540

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1\times {\mathrm{2789}}^1$

素因数の和:3062

約数の個数: 48

約数和(自身を含む): 1664893440

約数和(自身を除く): 887152900

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 191, 292, 365, 382, 730, 764, 955, 1460, 1910, 2789, 3820, 5578, 11156, 13943, 13945, 27886, 27890, 55772, 55780, 69715, 139430, 203597, 278860, 407194, 532699, 814388, 1017985, 1065398, 2035970, 2130796, 2663495, 4071940, 5326990, 10653980, 38887027, 77774054, 155548108, 194435135, 388870270, 777740540]

約数ペア:

[(1, 777740540), (2, 388870270), (4, 194435135), (5, 155548108), (10, 77774054), (20, 38887027), (73, 10653980), (146, 5326990), (191, 4071940), (292, 2663495), (365, 2130796), (382, 2035970), (730, 1065398), (764, 1017985), (955, 814388), (1460, 532699), (1910, 407194), (2789, 278860), (3820, 203597), (5578, 139430), (11156, 69715), (13943, 55780), (13945, 55772), (27886, 27890)]