207845560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:345

約数の個数: 128

約数和(自身を含む): 537768000

約数和(自身を除く): 329922440

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 109, 130, 152, 190, 193, 218, 247, 260, 380, 386, 436, 494, 520, 545, 760, 772, 872, 965, 988, 1090, 1235, 1417, 1544, 1930, 1976, 2071, 2180, 2470, 2509, 2834, 3667, 3860, 4142, 4360, 4940, 5018, 5668, 7085, 7334, 7720, 8284, 9880, 10036, 10355, 11336, 12545, 14170, 14668, 16568, 18335, 20072, 20710, 21037, 25090, 26923, 28340, 29336, 36670, 41420, 42074, 47671, 50180, 53846, 56680, 73340, 82840, 84148, 95342, 100360, 105185, 107692, 134615, 146680, 168296, 190684, 210370, 215384, 238355, 269230, 273481, 381368, 399703, 420740, 476710, 538460, 546962, 799406, 841480, 953420, 1076920, 1093924, 1367405, 1598812, 1906840, 1998515, 2187848, 2734810, 3197624, 3997030, 5196139, 5469620, 7994060, 10392278, 10939240, 15988120, 20784556, 25980695, 41569112, 51961390, 103922780, 207845560]

約数ペア:

[(1, 207845560), (2, 103922780), (4, 51961390), (5, 41569112), (8, 25980695), (10, 20784556), (13, 15988120), (19, 10939240), (20, 10392278), (26, 7994060), (38, 5469620), (40, 5196139), (52, 3997030), (65, 3197624), (76, 2734810), (95, 2187848), (104, 1998515), (109, 1906840), (130, 1598812), (152, 1367405), (190, 1093924), (193, 1076920), (218, 953420), (247, 841480), (260, 799406), (380, 546962), (386, 538460), (436, 476710), (494, 420740), (520, 399703), (545, 381368), (760, 273481), (772, 269230), (872, 238355), (965, 215384), (988, 210370), (1090, 190684), (1235, 168296), (1417, 146680), (1544, 134615), (1930, 107692), (1976, 105185), (2071, 100360), (2180, 95342), (2470, 84148), (2509, 82840), (2834, 73340), (3667, 56680), (3860, 53846), (4142, 50180), (4360, 47671), (4940, 42074), (5018, 41420), (5668, 36670), (7085, 29336), (7334, 28340), (7720, 26923), (8284, 25090), (9880, 21037), (10036, 20710), (10355, 20072), (11336, 18335), (12545, 16568), (14170, 14668)]