208969530

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1483}}^1$

素因数の和:1572

約数の個数: 128

約数和(自身を含む): 635959296

約数和(自身を除く): 426989766

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 61, 66, 70, 77, 105, 110, 122, 154, 165, 183, 210, 231, 305, 330, 366, 385, 427, 462, 610, 671, 770, 854, 915, 1155, 1281, 1342, 1483, 1830, 2013, 2135, 2310, 2562, 2966, 3355, 4026, 4270, 4449, 4697, 6405, 6710, 7415, 8898, 9394, 10065, 10381, 12810, 14091, 14830, 16313, 20130, 20762, 22245, 23485, 28182, 31143, 32626, 44490, 46970, 48939, 51905, 62286, 70455, 81565, 90463, 97878, 103810, 114191, 140910, 155715, 163130, 180926, 228382, 244695, 271389, 311430, 342573, 452315, 489390, 542778, 570955, 633241, 685146, 904630, 995093, 1141910, 1266482, 1356945, 1712865, 1899723, 1990186, 2713890, 2985279, 3166205, 3425730, 3799446, 4975465, 5970558, 6332410, 6965651, 9498615, 9950930, 13931302, 14926395, 18997230, 20896953, 29852790, 34828255, 41793906, 69656510, 104484765, 208969530]

約数ペア:

[(1, 208969530), (2, 104484765), (3, 69656510), (5, 41793906), (6, 34828255), (7, 29852790), (10, 20896953), (11, 18997230), (14, 14926395), (15, 13931302), (21, 9950930), (22, 9498615), (30, 6965651), (33, 6332410), (35, 5970558), (42, 4975465), (55, 3799446), (61, 3425730), (66, 3166205), (70, 2985279), (77, 2713890), (105, 1990186), (110, 1899723), (122, 1712865), (154, 1356945), (165, 1266482), (183, 1141910), (210, 995093), (231, 904630), (305, 685146), (330, 633241), (366, 570955), (385, 542778), (427, 489390), (462, 452315), (610, 342573), (671, 311430), (770, 271389), (854, 244695), (915, 228382), (1155, 180926), (1281, 163130), (1342, 155715), (1483, 140910), (1830, 114191), (2013, 103810), (2135, 97878), (2310, 90463), (2562, 81565), (2966, 70455), (3355, 62286), (4026, 51905), (4270, 48939), (4449, 46970), (4697, 44490), (6405, 32626), (6710, 31143), (7415, 28182), (8898, 23485), (9394, 22245), (10065, 20762), (10381, 20130), (12810, 16313), (14091, 14830)]