734656780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{256873}}^1$

素因数の和:256906

約数の個数: 48

約数和(自身を含む): 1812502944

約数和(自身を除く): 1077846164

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 256873, 513746, 1027492, 1284365, 2568730, 2825603, 3339349, 5137460, 5651206, 6678698, 11302412, 13357396, 14128015, 16696745, 28256030, 33393490, 36732839, 56512060, 66786980, 73465678, 146931356, 183664195, 367328390, 734656780]

約数ペア:

[(1, 734656780), (2, 367328390), (4, 183664195), (5, 146931356), (10, 73465678), (11, 66786980), (13, 56512060), (20, 36732839), (22, 33393490), (26, 28256030), (44, 16696745), (52, 14128015), (55, 13357396), (65, 11302412), (110, 6678698), (130, 5651206), (143, 5137460), (220, 3339349), (260, 2825603), (286, 2568730), (572, 1284365), (715, 1027492), (1430, 513746), (2860, 256873)]