81468200

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1949}}^1$

素因数の和:1995

約数の個数: 96

約数和(自身を含む): 217620000

約数和(自身を除く): 136151800

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 25, 38, 40, 44, 50, 55, 76, 88, 95, 100, 110, 152, 190, 200, 209, 220, 275, 380, 418, 440, 475, 550, 760, 836, 950, 1045, 1100, 1672, 1900, 1949, 2090, 2200, 3800, 3898, 4180, 5225, 7796, 8360, 9745, 10450, 15592, 19490, 20900, 21439, 37031, 38980, 41800, 42878, 48725, 74062, 77960, 85756, 97450, 107195, 148124, 171512, 185155, 194900, 214390, 296248, 370310, 389800, 407341, 428780, 535975, 740620, 814682, 857560, 925775, 1071950, 1481240, 1629364, 1851550, 2036705, 2143900, 3258728, 3703100, 4073410, 4287800, 7406200, 8146820, 10183525, 16293640, 20367050, 40734100, 81468200]

約数ペア:

[(1, 81468200), (2, 40734100), (4, 20367050), (5, 16293640), (8, 10183525), (10, 8146820), (11, 7406200), (19, 4287800), (20, 4073410), (22, 3703100), (25, 3258728), (38, 2143900), (40, 2036705), (44, 1851550), (50, 1629364), (55, 1481240), (76, 1071950), (88, 925775), (95, 857560), (100, 814682), (110, 740620), (152, 535975), (190, 428780), (200, 407341), (209, 389800), (220, 370310), (275, 296248), (380, 214390), (418, 194900), (440, 185155), (475, 171512), (550, 148124), (760, 107195), (836, 97450), (950, 85756), (1045, 77960), (1100, 74062), (1672, 48725), (1900, 42878), (1949, 41800), (2090, 38980), (2200, 37031), (3800, 21439), (3898, 20900), (4180, 19490), (5225, 15592), (7796, 10450), (8360, 9745)]