210128600

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{457}}^1$

素因数の和:514

約数の個数: 144

約数和(自身を含む): 566500200

約数和(自身を除く): 356371600

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 25, 38, 40, 44, 50, 55, 76, 88, 95, 100, 110, 121, 152, 190, 200, 209, 220, 242, 275, 380, 418, 440, 457, 475, 484, 550, 605, 760, 836, 914, 950, 968, 1045, 1100, 1210, 1672, 1828, 1900, 2090, 2200, 2285, 2299, 2420, 3025, 3656, 3800, 4180, 4570, 4598, 4840, 5027, 5225, 6050, 8360, 8683, 9140, 9196, 10054, 10450, 11425, 11495, 12100, 17366, 18280, 18392, 20108, 20900, 22850, 22990, 24200, 25135, 34732, 40216, 41800, 43415, 45700, 45980, 50270, 55297, 57475, 69464, 86830, 91400, 91960, 95513, 100540, 110594, 114950, 125675, 173660, 191026, 201080, 217075, 221188, 229900, 251350, 276485, 347320, 382052, 434150, 442376, 459800, 477565, 502700, 552970, 764104, 868300, 955130, 1005400, 1050643, 1105940, 1382425, 1736600, 1910260, 2101286, 2211880, 2387825, 2764850, 3820520, 4202572, 4775650, 5253215, 5529700, 8405144, 9551300, 10506430, 11059400, 19102600, 21012860, 26266075, 42025720, 52532150, 105064300, 210128600]

約数ペア:

[(1, 210128600), (2, 105064300), (4, 52532150), (5, 42025720), (8, 26266075), (10, 21012860), (11, 19102600), (19, 11059400), (20, 10506430), (22, 9551300), (25, 8405144), (38, 5529700), (40, 5253215), (44, 4775650), (50, 4202572), (55, 3820520), (76, 2764850), (88, 2387825), (95, 2211880), (100, 2101286), (110, 1910260), (121, 1736600), (152, 1382425), (190, 1105940), (200, 1050643), (209, 1005400), (220, 955130), (242, 868300), (275, 764104), (380, 552970), (418, 502700), (440, 477565), (457, 459800), (475, 442376), (484, 434150), (550, 382052), (605, 347320), (760, 276485), (836, 251350), (914, 229900), (950, 221188), (968, 217075), (1045, 201080), (1100, 191026), (1210, 173660), (1672, 125675), (1828, 114950), (1900, 110594), (2090, 100540), (2200, 95513), (2285, 91960), (2299, 91400), (2420, 86830), (3025, 69464), (3656, 57475), (3800, 55297), (4180, 50270), (4570, 45980), (4598, 45700), (4840, 43415), (5027, 41800), (5225, 40216), (6050, 34732), (8360, 25135), (8683, 24200), (9140, 22990), (9196, 22850), (10054, 20900), (10450, 20108), (11425, 18392), (11495, 18280), (12100, 17366)]