208999620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2657}}^1$

素因数の和:2714

約数の個数: 144

約数和(自身を含む): 696608640

約数和(自身を除く): 487609020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 23, 30, 36, 38, 45, 46, 57, 60, 69, 76, 90, 92, 95, 114, 115, 138, 171, 180, 190, 207, 228, 230, 276, 285, 342, 345, 380, 414, 437, 460, 570, 684, 690, 828, 855, 874, 1035, 1140, 1311, 1380, 1710, 1748, 2070, 2185, 2622, 2657, 3420, 3933, 4140, 4370, 5244, 5314, 6555, 7866, 7971, 8740, 10628, 13110, 13285, 15732, 15942, 19665, 23913, 26220, 26570, 31884, 39330, 39855, 47826, 50483, 53140, 61111, 78660, 79710, 95652, 100966, 119565, 122222, 151449, 159420, 183333, 201932, 239130, 244444, 252415, 302898, 305555, 366666, 454347, 478260, 504830, 549999, 605796, 611110, 733332, 757245, 908694, 916665, 1009660, 1099998, 1161109, 1222220, 1514490, 1817388, 1833330, 2199996, 2271735, 2322218, 2749995, 3028980, 3483327, 3666660, 4543470, 4644436, 5499990, 5805545, 6966654, 9086940, 10449981, 10999980, 11611090, 13933308, 17416635, 20899962, 23222180, 34833270, 41799924, 52249905, 69666540, 104499810, 208999620]

約数ペア:

[(1, 208999620), (2, 104499810), (3, 69666540), (4, 52249905), (5, 41799924), (6, 34833270), (9, 23222180), (10, 20899962), (12, 17416635), (15, 13933308), (18, 11611090), (19, 10999980), (20, 10449981), (23, 9086940), (30, 6966654), (36, 5805545), (38, 5499990), (45, 4644436), (46, 4543470), (57, 3666660), (60, 3483327), (69, 3028980), (76, 2749995), (90, 2322218), (92, 2271735), (95, 2199996), (114, 1833330), (115, 1817388), (138, 1514490), (171, 1222220), (180, 1161109), (190, 1099998), (207, 1009660), (228, 916665), (230, 908694), (276, 757245), (285, 733332), (342, 611110), (345, 605796), (380, 549999), (414, 504830), (437, 478260), (460, 454347), (570, 366666), (684, 305555), (690, 302898), (828, 252415), (855, 244444), (874, 239130), (1035, 201932), (1140, 183333), (1311, 159420), (1380, 151449), (1710, 122222), (1748, 119565), (2070, 100966), (2185, 95652), (2622, 79710), (2657, 78660), (3420, 61111), (3933, 53140), (4140, 50483), (4370, 47826), (5244, 39855), (5314, 39330), (6555, 31884), (7866, 26570), (7971, 26220), (8740, 23913), (10628, 19665), (13110, 15942), (13285, 15732)]