207988290

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{263}}^1$

素因数の和:409

約数の個数: 128

約数和(自身を含む): 581644800

約数和(自身を除く): 373656510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 29, 30, 45, 54, 58, 87, 90, 101, 135, 145, 174, 202, 261, 263, 270, 290, 303, 435, 505, 522, 526, 606, 783, 789, 870, 909, 1010, 1305, 1315, 1515, 1566, 1578, 1818, 2367, 2610, 2630, 2727, 2929, 3030, 3915, 3945, 4545, 4734, 5454, 5858, 7101, 7627, 7830, 7890, 8787, 9090, 11835, 13635, 14202, 14645, 15254, 17574, 22881, 23670, 26361, 26563, 27270, 29290, 35505, 38135, 43935, 45762, 52722, 53126, 68643, 71010, 76270, 79083, 79689, 87870, 114405, 131805, 132815, 137286, 158166, 159378, 205929, 228810, 239067, 263610, 265630, 343215, 395415, 398445, 411858, 478134, 686430, 717201, 770327, 790830, 796890, 1029645, 1195335, 1434402, 1540654, 2059290, 2310981, 2390670, 3586005, 3851635, 4621962, 6932943, 7172010, 7703270, 11554905, 13865886, 20798829, 23109810, 34664715, 41597658, 69329430, 103994145, 207988290]

約数ペア:

[(1, 207988290), (2, 103994145), (3, 69329430), (5, 41597658), (6, 34664715), (9, 23109810), (10, 20798829), (15, 13865886), (18, 11554905), (27, 7703270), (29, 7172010), (30, 6932943), (45, 4621962), (54, 3851635), (58, 3586005), (87, 2390670), (90, 2310981), (101, 2059290), (135, 1540654), (145, 1434402), (174, 1195335), (202, 1029645), (261, 796890), (263, 790830), (270, 770327), (290, 717201), (303, 686430), (435, 478134), (505, 411858), (522, 398445), (526, 395415), (606, 343215), (783, 265630), (789, 263610), (870, 239067), (909, 228810), (1010, 205929), (1305, 159378), (1315, 158166), (1515, 137286), (1566, 132815), (1578, 131805), (1818, 114405), (2367, 87870), (2610, 79689), (2630, 79083), (2727, 76270), (2929, 71010), (3030, 68643), (3915, 53126), (3945, 52722), (4545, 45762), (4734, 43935), (5454, 38135), (5858, 35505), (7101, 29290), (7627, 27270), (7830, 26563), (7890, 26361), (8787, 23670), (9090, 22881), (11835, 17574), (13635, 15254), (14202, 14645)]