198133100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{641}}^1$

素因数の和:947

約数の個数: 72

約数和(自身を含む): 471438576

約数和(自身を除く): 273305476

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 281, 550, 562, 641, 1100, 1124, 1282, 1405, 2564, 2810, 3091, 3205, 5620, 6182, 6410, 7025, 7051, 12364, 12820, 14050, 14102, 15455, 16025, 28100, 28204, 30910, 32050, 35255, 61820, 64100, 70510, 77275, 141020, 154550, 176275, 180121, 309100, 352550, 360242, 705100, 720484, 900605, 1801210, 1981331, 3602420, 3962662, 4503025, 7925324, 9006050, 9906655, 18012100, 19813310, 39626620, 49533275, 99066550, 198133100]

約数ペア:

[(1, 198133100), (2, 99066550), (4, 49533275), (5, 39626620), (10, 19813310), (11, 18012100), (20, 9906655), (22, 9006050), (25, 7925324), (44, 4503025), (50, 3962662), (55, 3602420), (100, 1981331), (110, 1801210), (220, 900605), (275, 720484), (281, 705100), (550, 360242), (562, 352550), (641, 309100), (1100, 180121), (1124, 176275), (1282, 154550), (1405, 141020), (2564, 77275), (2810, 70510), (3091, 64100), (3205, 61820), (5620, 35255), (6182, 32050), (6410, 30910), (7025, 28204), (7051, 28100), (12364, 16025), (12820, 15455), (14050, 14102)]