209465340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:264

約数の個数: 192

約数和(自身を含む): 696729600

約数和(自身を除く): 487264260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 59, 60, 70, 79, 84, 105, 107, 118, 140, 158, 177, 210, 214, 236, 237, 295, 316, 321, 354, 395, 413, 420, 428, 474, 535, 553, 590, 642, 708, 749, 790, 826, 885, 948, 1070, 1106, 1180, 1185, 1239, 1284, 1498, 1580, 1605, 1652, 1659, 1770, 2065, 2140, 2212, 2247, 2370, 2478, 2765, 2996, 3210, 3318, 3540, 3745, 4130, 4494, 4661, 4740, 4956, 5530, 6195, 6313, 6420, 6636, 7490, 8260, 8295, 8453, 8988, 9322, 11060, 11235, 12390, 12626, 13983, 14980, 16590, 16906, 18644, 18939, 22470, 23305, 24780, 25252, 25359, 27966, 31565, 32627, 33180, 33812, 37878, 42265, 44191, 44940, 46610, 50718, 55932, 59171, 63130, 65254, 69915, 75756, 84530, 88382, 93220, 94695, 97881, 101436, 118342, 126260, 126795, 130508, 132573, 139830, 163135, 169060, 176764, 177513, 189390, 195762, 220955, 236684, 253590, 265146, 279660, 295855, 326270, 355026, 378780, 391524, 441910, 489405, 498727, 507180, 530292, 591710, 652540, 662865, 710052, 883820, 887565, 978810, 997454, 1183420, 1325730, 1496181, 1775130, 1957620, 1994908, 2493635, 2651460, 2992362, 3491089, 3550260, 4987270, 5984724, 6982178, 7480905, 9974540, 10473267, 13964356, 14961810, 17455445, 20946534, 29923620, 34910890, 41893068, 52366335, 69821780, 104732670, 209465340]

約数ペア:

[(1, 209465340), (2, 104732670), (3, 69821780), (4, 52366335), (5, 41893068), (6, 34910890), (7, 29923620), (10, 20946534), (12, 17455445), (14, 14961810), (15, 13964356), (20, 10473267), (21, 9974540), (28, 7480905), (30, 6982178), (35, 5984724), (42, 4987270), (59, 3550260), (60, 3491089), (70, 2992362), (79, 2651460), (84, 2493635), (105, 1994908), (107, 1957620), (118, 1775130), (140, 1496181), (158, 1325730), (177, 1183420), (210, 997454), (214, 978810), (236, 887565), (237, 883820), (295, 710052), (316, 662865), (321, 652540), (354, 591710), (395, 530292), (413, 507180), (420, 498727), (428, 489405), (474, 441910), (535, 391524), (553, 378780), (590, 355026), (642, 326270), (708, 295855), (749, 279660), (790, 265146), (826, 253590), (885, 236684), (948, 220955), (1070, 195762), (1106, 189390), (1180, 177513), (1185, 176764), (1239, 169060), (1284, 163135), (1498, 139830), (1580, 132573), (1605, 130508), (1652, 126795), (1659, 126260), (1770, 118342), (2065, 101436), (2140, 97881), (2212, 94695), (2247, 93220), (2370, 88382), (2478, 84530), (2765, 75756), (2996, 69915), (3210, 65254), (3318, 63130), (3540, 59171), (3745, 55932), (4130, 50718), (4494, 46610), (4661, 44940), (4740, 44191), (4956, 42265), (5530, 37878), (6195, 33812), (6313, 33180), (6420, 32627), (6636, 31565), (7490, 27966), (8260, 25359), (8295, 25252), (8453, 24780), (8988, 23305), (9322, 22470), (11060, 18939), (11235, 18644), (12390, 16906), (12626, 16590), (13983, 14980)]