838761420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{9203}}^1$

素因数の和:9260

約数の個数: 144

約数和(自身を含む): 2820400128

約数和(自身を除く): 1981638708

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 49, 60, 62, 70, 84, 93, 98, 105, 124, 140, 147, 155, 186, 196, 210, 217, 245, 294, 310, 372, 420, 434, 465, 490, 588, 620, 651, 735, 868, 930, 980, 1085, 1302, 1470, 1519, 1860, 2170, 2604, 2940, 3038, 3255, 4340, 4557, 6076, 6510, 7595, 9114, 9203, 13020, 15190, 18228, 18406, 22785, 27609, 30380, 36812, 45570, 46015, 55218, 64421, 91140, 92030, 110436, 128842, 138045, 184060, 193263, 257684, 276090, 285293, 322105, 386526, 450947, 552180, 570586, 644210, 773052, 855879, 901894, 966315, 1141172, 1288420, 1352841, 1426465, 1711758, 1803788, 1932630, 1997051, 2254735, 2705682, 2852930, 3423516, 3865260, 3994102, 4279395, 4509470, 5411364, 5705860, 5991153, 6764205, 7988204, 8558790, 9018940, 9985255, 11982306, 13528410, 13979357, 17117580, 19970510, 23964612, 27056820, 27958714, 29955765, 39941020, 41938071, 55917428, 59911530, 69896785, 83876142, 119823060, 139793570, 167752284, 209690355, 279587140, 419380710, 838761420]

約数ペア:

[(1, 838761420), (2, 419380710), (3, 279587140), (4, 209690355), (5, 167752284), (6, 139793570), (7, 119823060), (10, 83876142), (12, 69896785), (14, 59911530), (15, 55917428), (20, 41938071), (21, 39941020), (28, 29955765), (30, 27958714), (31, 27056820), (35, 23964612), (42, 19970510), (49, 17117580), (60, 13979357), (62, 13528410), (70, 11982306), (84, 9985255), (93, 9018940), (98, 8558790), (105, 7988204), (124, 6764205), (140, 5991153), (147, 5705860), (155, 5411364), (186, 4509470), (196, 4279395), (210, 3994102), (217, 3865260), (245, 3423516), (294, 2852930), (310, 2705682), (372, 2254735), (420, 1997051), (434, 1932630), (465, 1803788), (490, 1711758), (588, 1426465), (620, 1352841), (651, 1288420), (735, 1141172), (868, 966315), (930, 901894), (980, 855879), (1085, 773052), (1302, 644210), (1470, 570586), (1519, 552180), (1860, 450947), (2170, 386526), (2604, 322105), (2940, 285293), (3038, 276090), (3255, 257684), (4340, 193263), (4557, 184060), (6076, 138045), (6510, 128842), (7595, 110436), (9114, 92030), (9203, 91140), (13020, 64421), (15190, 55218), (18228, 46015), (18406, 45570), (22785, 36812), (27609, 30380)]