2005184475

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1811}}^1$

素因数の和:1890

約数の個数: 144

約数和(自身を含む): 4439834880

約数和(自身を除く): 2434650405

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 25, 35, 37, 45, 57, 63, 75, 95, 105, 111, 133, 171, 175, 185, 225, 259, 285, 315, 333, 399, 475, 525, 555, 665, 703, 777, 855, 925, 1197, 1295, 1425, 1575, 1665, 1811, 1995, 2109, 2331, 2775, 3325, 3515, 3885, 4275, 4921, 5433, 5985, 6327, 6475, 8325, 9055, 9975, 10545, 11655, 12677, 14763, 16299, 17575, 19425, 24605, 27165, 29925, 31635, 34409, 38031, 44289, 45275, 52725, 58275, 63385, 67007, 73815, 81495, 103227, 114093, 123025, 135825, 158175, 172045, 190155, 201021, 221445, 240863, 309681, 316925, 335035, 369075, 407475, 469049, 516135, 570465, 603063, 722589, 860225, 950775, 1005105, 1107225, 1204315, 1273133, 1407147, 1548405, 1675175, 2167767, 2345245, 2580675, 2852325, 3015315, 3612945, 3819399, 4221441, 5025525, 6021575, 6365665, 7035735, 7742025, 8911931, 10838835, 11458197, 11726225, 15076575, 18064725, 19096995, 21107205, 26735793, 31828325, 35178675, 44559655, 54194175, 57290985, 80207379, 95484975, 105536025, 133678965, 222798275, 286454925, 401036895, 668394825, 2005184475]

約数ペア:

[(1, 2005184475), (3, 668394825), (5, 401036895), (7, 286454925), (9, 222798275), (15, 133678965), (19, 105536025), (21, 95484975), (25, 80207379), (35, 57290985), (37, 54194175), (45, 44559655), (57, 35178675), (63, 31828325), (75, 26735793), (95, 21107205), (105, 19096995), (111, 18064725), (133, 15076575), (171, 11726225), (175, 11458197), (185, 10838835), (225, 8911931), (259, 7742025), (285, 7035735), (315, 6365665), (333, 6021575), (399, 5025525), (475, 4221441), (525, 3819399), (555, 3612945), (665, 3015315), (703, 2852325), (777, 2580675), (855, 2345245), (925, 2167767), (1197, 1675175), (1295, 1548405), (1425, 1407147), (1575, 1273133), (1665, 1204315), (1811, 1107225), (1995, 1005105), (2109, 950775), (2331, 860225), (2775, 722589), (3325, 603063), (3515, 570465), (3885, 516135), (4275, 469049), (4921, 407475), (5433, 369075), (5985, 335035), (6327, 316925), (6475, 309681), (8325, 240863), (9055, 221445), (9975, 201021), (10545, 190155), (11655, 172045), (12677, 158175), (14763, 135825), (16299, 123025), (17575, 114093), (19425, 103227), (24605, 81495), (27165, 73815), (29925, 67007), (31635, 63385), (34409, 58275), (38031, 52725), (44289, 45275)]