688426620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{86269}}^1$

素因数の和:86307

約数の個数: 96

約数和(自身を含む): 2318937600

約数和(自身を除く): 1630510980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 86269, 172538, 258807, 345076, 431345, 517614, 603883, 862690, 1035228, 1207766, 1294035, 1639111, 1725380, 1811649, 2415532, 2588070, 3019415, 3278222, 3623298, 4917333, 5176140, 6038830, 6556444, 7246596, 8195555, 9058245, 9834666, 11473777, 12077660, 16391110, 18116490, 19669332, 22947554, 24586665, 32782220, 34421331, 36232980, 45895108, 49173330, 57368885, 68842662, 98346660, 114737770, 137685324, 172106655, 229475540, 344213310, 688426620]

約数ペア:

[(1, 688426620), (2, 344213310), (3, 229475540), (4, 172106655), (5, 137685324), (6, 114737770), (7, 98346660), (10, 68842662), (12, 57368885), (14, 49173330), (15, 45895108), (19, 36232980), (20, 34421331), (21, 32782220), (28, 24586665), (30, 22947554), (35, 19669332), (38, 18116490), (42, 16391110), (57, 12077660), (60, 11473777), (70, 9834666), (76, 9058245), (84, 8195555), (95, 7246596), (105, 6556444), (114, 6038830), (133, 5176140), (140, 4917333), (190, 3623298), (210, 3278222), (228, 3019415), (266, 2588070), (285, 2415532), (380, 1811649), (399, 1725380), (420, 1639111), (532, 1294035), (570, 1207766), (665, 1035228), (798, 862690), (1140, 603883), (1330, 517614), (1596, 431345), (1995, 345076), (2660, 258807), (3990, 172538), (7980, 86269)]