205381540

素因数分解:

$2^2\times 5^1\times 7^5\times {\mathrm{13}}^1\times {\mathrm{47}}^1$

素因数の和:104

約数の個数: 144

約数和(自身を含む): 553416192

約数和(自身を除く): 348034652

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 47, 49, 52, 65, 70, 91, 94, 98, 130, 140, 182, 188, 196, 235, 245, 260, 329, 343, 364, 455, 470, 490, 611, 637, 658, 686, 910, 940, 980, 1222, 1274, 1316, 1372, 1645, 1715, 1820, 2303, 2401, 2444, 2548, 3055, 3185, 3290, 3430, 4277, 4459, 4606, 4802, 6110, 6370, 6580, 6860, 8554, 8918, 9212, 9604, 11515, 12005, 12220, 12740, 16121, 16807, 17108, 17836, 21385, 22295, 23030, 24010, 29939, 31213, 32242, 33614, 42770, 44590, 46060, 48020, 59878, 62426, 64484, 67228, 80605, 84035, 85540, 89180, 112847, 119756, 124852, 149695, 156065, 161210, 168070, 209573, 218491, 225694, 299390, 312130, 322420, 336140, 419146, 436982, 451388, 564235, 598780, 624260, 789929, 838292, 873964, 1047865, 1092455, 1128470, 1467011, 1579858, 2095730, 2184910, 2256940, 2934022, 3159716, 3949645, 4191460, 4369820, 5868044, 7335055, 7899290, 10269077, 14670110, 15798580, 20538154, 29340220, 41076308, 51345385, 102690770, 205381540]

約数ペア:

[(1, 205381540), (2, 102690770), (4, 51345385), (5, 41076308), (7, 29340220), (10, 20538154), (13, 15798580), (14, 14670110), (20, 10269077), (26, 7899290), (28, 7335055), (35, 5868044), (47, 4369820), (49, 4191460), (52, 3949645), (65, 3159716), (70, 2934022), (91, 2256940), (94, 2184910), (98, 2095730), (130, 1579858), (140, 1467011), (182, 1128470), (188, 1092455), (196, 1047865), (235, 873964), (245, 838292), (260, 789929), (329, 624260), (343, 598780), (364, 564235), (455, 451388), (470, 436982), (490, 419146), (611, 336140), (637, 322420), (658, 312130), (686, 299390), (910, 225694), (940, 218491), (980, 209573), (1222, 168070), (1274, 161210), (1316, 156065), (1372, 149695), (1645, 124852), (1715, 119756), (1820, 112847), (2303, 89180), (2401, 85540), (2444, 84035), (2548, 80605), (3055, 67228), (3185, 64484), (3290, 62426), (3430, 59878), (4277, 48020), (4459, 46060), (4606, 44590), (4802, 42770), (6110, 33614), (6370, 32242), (6580, 31213), (6860, 29939), (8554, 24010), (8918, 23030), (9212, 22295), (9604, 21385), (11515, 17836), (12005, 17108), (12220, 16807), (12740, 16121)]