1898033620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:438

約数の個数: 144

約数和(自身を含む): 4762642752

約数和(自身を除く): 2864609132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 67, 70, 98, 134, 137, 140, 196, 211, 245, 268, 274, 335, 422, 469, 490, 548, 670, 685, 844, 938, 959, 980, 1055, 1340, 1370, 1477, 1876, 1918, 2110, 2345, 2740, 2954, 3283, 3836, 4220, 4690, 4795, 5908, 6566, 6713, 7385, 9179, 9380, 9590, 10339, 13132, 13426, 14137, 14770, 16415, 18358, 19180, 20678, 26852, 28274, 28907, 29540, 32830, 33565, 36716, 41356, 45895, 51695, 56548, 57814, 64253, 65660, 67130, 70685, 91790, 98959, 103390, 115628, 128506, 134260, 141370, 144535, 183580, 197918, 202349, 206780, 257012, 282740, 289070, 321265, 395836, 404698, 449771, 494795, 578140, 642530, 692713, 809396, 899542, 989590, 1011745, 1285060, 1385426, 1416443, 1799084, 1936769, 1979180, 2023490, 2248855, 2770852, 2832886, 3463565, 3873538, 4046980, 4497710, 5665772, 6927130, 7082215, 7747076, 8995420, 9683845, 13557383, 13854260, 14164430, 19367690, 27114766, 28328860, 38735380, 54229532, 67786915, 94901681, 135573830, 189803362, 271147660, 379606724, 474508405, 949016810, 1898033620]

約数ペア:

[(1, 1898033620), (2, 949016810), (4, 474508405), (5, 379606724), (7, 271147660), (10, 189803362), (14, 135573830), (20, 94901681), (28, 67786915), (35, 54229532), (49, 38735380), (67, 28328860), (70, 27114766), (98, 19367690), (134, 14164430), (137, 13854260), (140, 13557383), (196, 9683845), (211, 8995420), (245, 7747076), (268, 7082215), (274, 6927130), (335, 5665772), (422, 4497710), (469, 4046980), (490, 3873538), (548, 3463565), (670, 2832886), (685, 2770852), (844, 2248855), (938, 2023490), (959, 1979180), (980, 1936769), (1055, 1799084), (1340, 1416443), (1370, 1385426), (1477, 1285060), (1876, 1011745), (1918, 989590), (2110, 899542), (2345, 809396), (2740, 692713), (2954, 642530), (3283, 578140), (3836, 494795), (4220, 449771), (4690, 404698), (4795, 395836), (5908, 321265), (6566, 289070), (6713, 282740), (7385, 257012), (9179, 206780), (9380, 202349), (9590, 197918), (10339, 183580), (13132, 144535), (13426, 141370), (14137, 134260), (14770, 128506), (16415, 115628), (18358, 103390), (19180, 98959), (20678, 91790), (26852, 70685), (28274, 67130), (28907, 65660), (29540, 64253), (32830, 57814), (33565, 56548), (36716, 51695), (41356, 45895)]