256151450

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{2801}}^1$

素因数の和:2903

約数の個数: 48

約数和(自身を含む): 500325120

約数和(自身を除く): 244173670

約数列:

[1, 2, 5, 10, 25, 31, 50, 59, 62, 118, 155, 295, 310, 590, 775, 1475, 1550, 1829, 2801, 2950, 3658, 5602, 9145, 14005, 18290, 28010, 45725, 70025, 86831, 91450, 140050, 165259, 173662, 330518, 434155, 826295, 868310, 1652590, 2170775, 4131475, 4341550, 5123029, 8262950, 10246058, 25615145, 51230290, 128075725, 256151450]

約数ペア:

[(1, 256151450), (2, 128075725), (5, 51230290), (10, 25615145), (25, 10246058), (31, 8262950), (50, 5123029), (59, 4341550), (62, 4131475), (118, 2170775), (155, 1652590), (295, 868310), (310, 826295), (590, 434155), (775, 330518), (1475, 173662), (1550, 165259), (1829, 140050), (2801, 91450), (2950, 86831), (3658, 70025), (5602, 45725), (9145, 28010), (14005, 18290)]