29905720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{199}}^1$

素因数の和:257

約数の個数: 96

約数和(自身を含む): 77364000

約数和(自身を除く): 47458280

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 199, 221, 260, 289, 340, 398, 442, 520, 578, 680, 796, 884, 995, 1105, 1156, 1445, 1592, 1768, 1990, 2210, 2312, 2587, 2890, 3383, 3757, 3980, 4420, 5174, 5780, 6766, 7514, 7960, 8840, 10348, 11560, 12935, 13532, 15028, 16915, 18785, 20696, 25870, 27064, 30056, 33830, 37570, 43979, 51740, 57511, 67660, 75140, 87958, 103480, 115022, 135320, 150280, 175916, 219895, 230044, 287555, 351832, 439790, 460088, 575110, 747643, 879580, 1150220, 1495286, 1759160, 2300440, 2990572, 3738215, 5981144, 7476430, 14952860, 29905720]

約数ペア:

[(1, 29905720), (2, 14952860), (4, 7476430), (5, 5981144), (8, 3738215), (10, 2990572), (13, 2300440), (17, 1759160), (20, 1495286), (26, 1150220), (34, 879580), (40, 747643), (52, 575110), (65, 460088), (68, 439790), (85, 351832), (104, 287555), (130, 230044), (136, 219895), (170, 175916), (199, 150280), (221, 135320), (260, 115022), (289, 103480), (340, 87958), (398, 75140), (442, 67660), (520, 57511), (578, 51740), (680, 43979), (796, 37570), (884, 33830), (995, 30056), (1105, 27064), (1156, 25870), (1445, 20696), (1592, 18785), (1768, 16915), (1990, 15028), (2210, 13532), (2312, 12935), (2587, 11560), (2890, 10348), (3383, 8840), (3757, 7960), (3980, 7514), (4420, 6766), (5174, 5780)]