28700366940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{163871}}^1$

素因数の和:164032

約数の個数: 144

約数和(自身を含む): 100211005440

約数和(自身を除く): 71510638500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 139, 140, 180, 210, 252, 278, 315, 417, 420, 556, 630, 695, 834, 973, 1251, 1260, 1390, 1668, 1946, 2085, 2502, 2780, 2919, 3892, 4170, 4865, 5004, 5838, 6255, 8340, 8757, 9730, 11676, 12510, 14595, 17514, 19460, 25020, 29190, 35028, 43785, 58380, 87570, 163871, 175140, 327742, 491613, 655484, 819355, 983226, 1147097, 1474839, 1638710, 1966452, 2294194, 2458065, 2949678, 3277420, 3441291, 4588388, 4916130, 5735485, 5899356, 6882582, 7374195, 9832260, 10323873, 11470970, 13765164, 14748390, 17206455, 20647746, 22778069, 22941940, 29496780, 34412910, 41295492, 45556138, 51619365, 68334207, 68825820, 91112276, 103238730, 113890345, 136668414, 159446483, 205002621, 206477460, 227780690, 273336828, 318892966, 341671035, 410005242, 455561380, 478339449, 637785932, 683342070, 797232415, 820010484, 956678898, 1025013105, 1366684140, 1435018347, 1594464830, 1913357796, 2050026210, 2391697245, 2870036694, 3188929660, 4100052420, 4783394490, 5740073388, 7175091735, 9566788980, 14350183470, 28700366940]

約数ペア:

[(1, 28700366940), (2, 14350183470), (3, 9566788980), (4, 7175091735), (5, 5740073388), (6, 4783394490), (7, 4100052420), (9, 3188929660), (10, 2870036694), (12, 2391697245), (14, 2050026210), (15, 1913357796), (18, 1594464830), (20, 1435018347), (21, 1366684140), (28, 1025013105), (30, 956678898), (35, 820010484), (36, 797232415), (42, 683342070), (45, 637785932), (60, 478339449), (63, 455561380), (70, 410005242), (84, 341671035), (90, 318892966), (105, 273336828), (126, 227780690), (139, 206477460), (140, 205002621), (180, 159446483), (210, 136668414), (252, 113890345), (278, 103238730), (315, 91112276), (417, 68825820), (420, 68334207), (556, 51619365), (630, 45556138), (695, 41295492), (834, 34412910), (973, 29496780), (1251, 22941940), (1260, 22778069), (1390, 20647746), (1668, 17206455), (1946, 14748390), (2085, 13765164), (2502, 11470970), (2780, 10323873), (2919, 9832260), (3892, 7374195), (4170, 6882582), (4865, 5899356), (5004, 5735485), (5838, 4916130), (6255, 4588388), (8340, 3441291), (8757, 3277420), (9730, 2949678), (11676, 2458065), (12510, 2294194), (14595, 1966452), (17514, 1638710), (19460, 1474839), (25020, 1147097), (29190, 983226), (35028, 819355), (43785, 655484), (58380, 491613), (87570, 327742), (163871, 175140)]