209825910

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1657}}^1$

素因数の和:1747

約数の個数: 128

約数和(自身を含む): 649405440

約数和(自身を除く): 439579530

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 67, 70, 90, 105, 126, 134, 135, 189, 201, 210, 270, 315, 335, 378, 402, 469, 603, 630, 670, 938, 945, 1005, 1206, 1407, 1657, 1809, 1890, 2010, 2345, 2814, 3015, 3314, 3618, 4221, 4690, 4971, 6030, 7035, 8285, 8442, 9045, 9942, 11599, 12663, 14070, 14913, 16570, 18090, 21105, 23198, 24855, 25326, 29826, 34797, 42210, 44739, 49710, 57995, 63315, 69594, 74565, 89478, 104391, 111019, 115990, 126630, 149130, 173985, 208782, 222038, 223695, 313173, 333057, 347970, 447390, 521955, 555095, 626346, 666114, 777133, 999171, 1043910, 1110190, 1554266, 1565865, 1665285, 1998342, 2331399, 2997513, 3131730, 3330570, 3885665, 4662798, 4995855, 5995026, 6994197, 7771330, 9991710, 11656995, 13988394, 14987565, 20982591, 23313990, 29975130, 34970985, 41965182, 69941970, 104912955, 209825910]

約数ペア:

[(1, 209825910), (2, 104912955), (3, 69941970), (5, 41965182), (6, 34970985), (7, 29975130), (9, 23313990), (10, 20982591), (14, 14987565), (15, 13988394), (18, 11656995), (21, 9991710), (27, 7771330), (30, 6994197), (35, 5995026), (42, 4995855), (45, 4662798), (54, 3885665), (63, 3330570), (67, 3131730), (70, 2997513), (90, 2331399), (105, 1998342), (126, 1665285), (134, 1565865), (135, 1554266), (189, 1110190), (201, 1043910), (210, 999171), (270, 777133), (315, 666114), (335, 626346), (378, 555095), (402, 521955), (469, 447390), (603, 347970), (630, 333057), (670, 313173), (938, 223695), (945, 222038), (1005, 208782), (1206, 173985), (1407, 149130), (1657, 126630), (1809, 115990), (1890, 111019), (2010, 104391), (2345, 89478), (2814, 74565), (3015, 69594), (3314, 63315), (3618, 57995), (4221, 49710), (4690, 44739), (4971, 42210), (6030, 34797), (7035, 29826), (8285, 25326), (8442, 24855), (9045, 23198), (9942, 21105), (11599, 18090), (12663, 16570), (14070, 14913)]