4344340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:78

約数の個数: 144

約数和(自身を含む): 12870144

約数和(自身を除く): 8525804

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 31, 35, 44, 49, 52, 55, 62, 65, 70, 77, 91, 98, 110, 124, 130, 140, 143, 154, 155, 182, 196, 217, 220, 245, 260, 286, 308, 310, 341, 364, 385, 403, 434, 455, 490, 539, 572, 620, 637, 682, 715, 770, 806, 868, 910, 980, 1001, 1078, 1085, 1274, 1364, 1430, 1519, 1540, 1612, 1705, 1820, 2002, 2015, 2156, 2170, 2387, 2548, 2695, 2821, 2860, 3038, 3185, 3410, 4004, 4030, 4340, 4433, 4774, 5005, 5390, 5642, 6076, 6370, 6820, 7007, 7595, 8060, 8866, 9548, 10010, 10780, 11284, 11935, 12740, 14014, 14105, 15190, 16709, 17732, 19747, 20020, 22165, 23870, 28028, 28210, 30380, 31031, 33418, 35035, 39494, 44330, 47740, 56420, 62062, 66836, 70070, 78988, 83545, 88660, 98735, 124124, 140140, 155155, 167090, 197470, 217217, 310310, 334180, 394940, 434434, 620620, 868868, 1086085, 2172170, 4344340]

約数ペア:

[(1, 4344340), (2, 2172170), (4, 1086085), (5, 868868), (7, 620620), (10, 434434), (11, 394940), (13, 334180), (14, 310310), (20, 217217), (22, 197470), (26, 167090), (28, 155155), (31, 140140), (35, 124124), (44, 98735), (49, 88660), (52, 83545), (55, 78988), (62, 70070), (65, 66836), (70, 62062), (77, 56420), (91, 47740), (98, 44330), (110, 39494), (124, 35035), (130, 33418), (140, 31031), (143, 30380), (154, 28210), (155, 28028), (182, 23870), (196, 22165), (217, 20020), (220, 19747), (245, 17732), (260, 16709), (286, 15190), (308, 14105), (310, 14014), (341, 12740), (364, 11935), (385, 11284), (403, 10780), (434, 10010), (455, 9548), (490, 8866), (539, 8060), (572, 7595), (620, 7007), (637, 6820), (682, 6370), (715, 6076), (770, 5642), (806, 5390), (868, 5005), (910, 4774), (980, 4433), (1001, 4340), (1078, 4030), (1085, 4004), (1274, 3410), (1364, 3185), (1430, 3038), (1519, 2860), (1540, 2821), (1612, 2695), (1705, 2548), (1820, 2387), (2002, 2170), (2015, 2156)]