291850020

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{7019}}^1$

素因数の和:7055

約数の個数: 192

約数和(自身を含む): 1132185600

約数和(自身を除く): 840335580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 27, 28, 30, 33, 35, 36, 42, 44, 45, 54, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 108, 110, 126, 132, 135, 140, 154, 165, 180, 189, 198, 210, 220, 231, 252, 270, 297, 308, 315, 330, 378, 385, 396, 420, 462, 495, 540, 594, 630, 660, 693, 756, 770, 924, 945, 990, 1155, 1188, 1260, 1386, 1485, 1540, 1890, 1980, 2079, 2310, 2772, 2970, 3465, 3780, 4158, 4620, 5940, 6930, 7019, 8316, 10395, 13860, 14038, 20790, 21057, 28076, 35095, 41580, 42114, 49133, 63171, 70190, 77209, 84228, 98266, 105285, 126342, 140380, 147399, 154418, 189513, 196532, 210570, 231627, 245665, 252684, 294798, 308836, 315855, 379026, 386045, 421140, 442197, 463254, 491330, 540463, 589596, 631710, 694881, 736995, 758052, 772090, 884394, 926508, 947565, 982660, 1080926, 1158135, 1263420, 1326591, 1389762, 1473990, 1544180, 1621389, 1768788, 1895130, 2084643, 2161852, 2210985, 2316270, 2653182, 2702315, 2779524, 2947980, 3242778, 3474405, 3790260, 4169286, 4421970, 4632540, 4864167, 5306364, 5404630, 6485556, 6632955, 6948810, 8106945, 8338572, 8843940, 9728334, 10423215, 10809260, 13265910, 13897620, 14592501, 16213890, 19456668, 20846430, 24320835, 26531820, 29185002, 32427780, 41692860, 48641670, 58370004, 72962505, 97283340, 145925010, 291850020]

約数ペア:

[(1, 291850020), (2, 145925010), (3, 97283340), (4, 72962505), (5, 58370004), (6, 48641670), (7, 41692860), (9, 32427780), (10, 29185002), (11, 26531820), (12, 24320835), (14, 20846430), (15, 19456668), (18, 16213890), (20, 14592501), (21, 13897620), (22, 13265910), (27, 10809260), (28, 10423215), (30, 9728334), (33, 8843940), (35, 8338572), (36, 8106945), (42, 6948810), (44, 6632955), (45, 6485556), (54, 5404630), (55, 5306364), (60, 4864167), (63, 4632540), (66, 4421970), (70, 4169286), (77, 3790260), (84, 3474405), (90, 3242778), (99, 2947980), (105, 2779524), (108, 2702315), (110, 2653182), (126, 2316270), (132, 2210985), (135, 2161852), (140, 2084643), (154, 1895130), (165, 1768788), (180, 1621389), (189, 1544180), (198, 1473990), (210, 1389762), (220, 1326591), (231, 1263420), (252, 1158135), (270, 1080926), (297, 982660), (308, 947565), (315, 926508), (330, 884394), (378, 772090), (385, 758052), (396, 736995), (420, 694881), (462, 631710), (495, 589596), (540, 540463), (594, 491330), (630, 463254), (660, 442197), (693, 421140), (756, 386045), (770, 379026), (924, 315855), (945, 308836), (990, 294798), (1155, 252684), (1188, 245665), (1260, 231627), (1386, 210570), (1485, 196532), (1540, 189513), (1890, 154418), (1980, 147399), (2079, 140380), (2310, 126342), (2772, 105285), (2970, 98266), (3465, 84228), (3780, 77209), (4158, 70190), (4620, 63171), (5940, 49133), (6930, 42114), (7019, 41580), (8316, 35095), (10395, 28076), (13860, 21057), (14038, 20790)]