42440860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:192

約数の個数: 144

約数和(自身を含む): 117669888

約数和(自身を除く): 75229028

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 49, 55, 62, 70, 77, 98, 110, 124, 127, 140, 154, 155, 196, 217, 220, 245, 254, 308, 310, 341, 385, 434, 490, 508, 539, 620, 635, 682, 770, 868, 889, 980, 1078, 1085, 1270, 1364, 1397, 1519, 1540, 1705, 1778, 2156, 2170, 2387, 2540, 2695, 2794, 3038, 3410, 3556, 3937, 4340, 4445, 4774, 5390, 5588, 6076, 6223, 6820, 6985, 7595, 7874, 8890, 9548, 9779, 10780, 11935, 12446, 13970, 15190, 15748, 16709, 17780, 19558, 19685, 23870, 24892, 27559, 27940, 30380, 31115, 33418, 39116, 39370, 43307, 47740, 48895, 55118, 62230, 66836, 68453, 78740, 83545, 86614, 97790, 110236, 124460, 136906, 137795, 167090, 173228, 192913, 195580, 216535, 273812, 275590, 303149, 334180, 342265, 385826, 433070, 551180, 606298, 684530, 771652, 866140, 964565, 1212596, 1369060, 1515745, 1929130, 2122043, 3031490, 3858260, 4244086, 6062980, 8488172, 10610215, 21220430, 42440860]

約数ペア:

[(1, 42440860), (2, 21220430), (4, 10610215), (5, 8488172), (7, 6062980), (10, 4244086), (11, 3858260), (14, 3031490), (20, 2122043), (22, 1929130), (28, 1515745), (31, 1369060), (35, 1212596), (44, 964565), (49, 866140), (55, 771652), (62, 684530), (70, 606298), (77, 551180), (98, 433070), (110, 385826), (124, 342265), (127, 334180), (140, 303149), (154, 275590), (155, 273812), (196, 216535), (217, 195580), (220, 192913), (245, 173228), (254, 167090), (308, 137795), (310, 136906), (341, 124460), (385, 110236), (434, 97790), (490, 86614), (508, 83545), (539, 78740), (620, 68453), (635, 66836), (682, 62230), (770, 55118), (868, 48895), (889, 47740), (980, 43307), (1078, 39370), (1085, 39116), (1270, 33418), (1364, 31115), (1397, 30380), (1519, 27940), (1540, 27559), (1705, 24892), (1778, 23870), (2156, 19685), (2170, 19558), (2387, 17780), (2540, 16709), (2695, 15748), (2794, 15190), (3038, 13970), (3410, 12446), (3556, 11935), (3937, 10780), (4340, 9779), (4445, 9548), (4774, 8890), (5390, 7874), (5588, 7595), (6076, 6985), (6223, 6820)]