164680460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1$

素因数の和:495

約数の個数: 96

約数和(自身を含む): 416102400

約数和(自身を除く): 251421940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 199, 230, 257, 322, 398, 460, 514, 644, 796, 805, 995, 1028, 1285, 1393, 1610, 1799, 1990, 2570, 2786, 3220, 3598, 3980, 4577, 5140, 5572, 5911, 6965, 7196, 8995, 9154, 11822, 13930, 17990, 18308, 22885, 23644, 27860, 29555, 32039, 35980, 41377, 45770, 51143, 59110, 64078, 82754, 91540, 102286, 118220, 128156, 160195, 165508, 204572, 206885, 255715, 320390, 358001, 413770, 511430, 640780, 716002, 827540, 1022860, 1176289, 1432004, 1790005, 2352578, 3580010, 4705156, 5881445, 7160020, 8234023, 11762890, 16468046, 23525780, 32936092, 41170115, 82340230, 164680460]

約数ペア:

[(1, 164680460), (2, 82340230), (4, 41170115), (5, 32936092), (7, 23525780), (10, 16468046), (14, 11762890), (20, 8234023), (23, 7160020), (28, 5881445), (35, 4705156), (46, 3580010), (70, 2352578), (92, 1790005), (115, 1432004), (140, 1176289), (161, 1022860), (199, 827540), (230, 716002), (257, 640780), (322, 511430), (398, 413770), (460, 358001), (514, 320390), (644, 255715), (796, 206885), (805, 204572), (995, 165508), (1028, 160195), (1285, 128156), (1393, 118220), (1610, 102286), (1799, 91540), (1990, 82754), (2570, 64078), (2786, 59110), (3220, 51143), (3598, 45770), (3980, 41377), (4577, 35980), (5140, 32039), (5572, 29555), (5911, 27860), (6965, 23644), (7196, 22885), (8995, 18308), (9154, 17990), (11822, 13930)]