201599500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{21221}}^1$

素因数の和:21259

約数の個数: 48

約数和(自身を含む): 463488480

約数和(自身を除く): 261888980

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 380, 475, 500, 950, 1900, 2375, 4750, 9500, 21221, 42442, 84884, 106105, 212210, 403199, 424420, 530525, 806398, 1061050, 1612796, 2015995, 2122100, 2652625, 4031990, 5305250, 8063980, 10079975, 10610500, 20159950, 40319900, 50399875, 100799750, 201599500]

約数ペア:

[(1, 201599500), (2, 100799750), (4, 50399875), (5, 40319900), (10, 20159950), (19, 10610500), (20, 10079975), (25, 8063980), (38, 5305250), (50, 4031990), (76, 2652625), (95, 2122100), (100, 2015995), (125, 1612796), (190, 1061050), (250, 806398), (380, 530525), (475, 424420), (500, 403199), (950, 212210), (1900, 106105), (2375, 84884), (4750, 42442), (9500, 21221)]