207890340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2281}}^1$

素因数の和:2338

約数の個数: 144

約数和(自身を含む): 699277824

約数和(自身を除く): 491387484

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, 2281, 2604, 2940, 3038, 3255, 4340, 4557, 4562, 6076, 6510, 6843, 7595, 9114, 9124, 11405, 13020, 13686, 15190, 15967, 18228, 22785, 22810, 27372, 30380, 31934, 34215, 45570, 45620, 47901, 63868, 68430, 70711, 79835, 91140, 95802, 111769, 136860, 141422, 159670, 191604, 212133, 223538, 239505, 282844, 319340, 335307, 353555, 424266, 447076, 479010, 494977, 558845, 670614, 707110, 848532, 958020, 989954, 1060665, 1117690, 1341228, 1414220, 1484931, 1676535, 1979908, 2121330, 2235380, 2474885, 2969862, 3353070, 3464839, 4242660, 4949770, 5939724, 6706140, 6929678, 7424655, 9899540, 10394517, 13859356, 14849310, 17324195, 20789034, 29698620, 34648390, 41578068, 51972585, 69296780, 103945170, 207890340]

約数ペア:

[(1, 207890340), (2, 103945170), (3, 69296780), (4, 51972585), (5, 41578068), (6, 34648390), (7, 29698620), (10, 20789034), (12, 17324195), (14, 14849310), (15, 13859356), (20, 10394517), (21, 9899540), (28, 7424655), (30, 6929678), (31, 6706140), (35, 5939724), (42, 4949770), (49, 4242660), (60, 3464839), (62, 3353070), (70, 2969862), (84, 2474885), (93, 2235380), (98, 2121330), (105, 1979908), (124, 1676535), (140, 1484931), (147, 1414220), (155, 1341228), (186, 1117690), (196, 1060665), (210, 989954), (217, 958020), (245, 848532), (294, 707110), (310, 670614), (372, 558845), (420, 494977), (434, 479010), (465, 447076), (490, 424266), (588, 353555), (620, 335307), (651, 319340), (735, 282844), (868, 239505), (930, 223538), (980, 212133), (1085, 191604), (1302, 159670), (1470, 141422), (1519, 136860), (1860, 111769), (2170, 95802), (2281, 91140), (2604, 79835), (2940, 70711), (3038, 68430), (3255, 63868), (4340, 47901), (4557, 45620), (4562, 45570), (6076, 34215), (6510, 31934), (6843, 30380), (7595, 27372), (9114, 22810), (9124, 22785), (11405, 18228), (13020, 15967), (13686, 15190)]