89957140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1$

素因数の和:366

約数の個数: 144

約数和(自身を含む): 247750272

約数和(自身を除く): 157793132

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 23, 26, 28, 35, 46, 49, 52, 65, 70, 91, 92, 98, 115, 130, 140, 161, 182, 196, 230, 245, 260, 299, 307, 322, 364, 455, 460, 490, 598, 614, 637, 644, 805, 910, 980, 1127, 1196, 1228, 1274, 1495, 1535, 1610, 1820, 2093, 2149, 2254, 2548, 2990, 3070, 3185, 3220, 3991, 4186, 4298, 4508, 5635, 5980, 6140, 6370, 7061, 7982, 8372, 8596, 10465, 10745, 11270, 12740, 14122, 14651, 15043, 15964, 19955, 20930, 21490, 22540, 27937, 28244, 29302, 30086, 35305, 39910, 41860, 42980, 49427, 55874, 58604, 60172, 70610, 73255, 75215, 79820, 91793, 98854, 111748, 139685, 141220, 146510, 150430, 183586, 195559, 197708, 247135, 279370, 293020, 300860, 345989, 367172, 391118, 458965, 494270, 558740, 642551, 691978, 782236, 917930, 977795, 988540, 1285102, 1383956, 1729945, 1835860, 1955590, 2570204, 3212755, 3459890, 3911180, 4497857, 6425510, 6919780, 8995714, 12851020, 17991428, 22489285, 44978570, 89957140]

約数ペア:

[(1, 89957140), (2, 44978570), (4, 22489285), (5, 17991428), (7, 12851020), (10, 8995714), (13, 6919780), (14, 6425510), (20, 4497857), (23, 3911180), (26, 3459890), (28, 3212755), (35, 2570204), (46, 1955590), (49, 1835860), (52, 1729945), (65, 1383956), (70, 1285102), (91, 988540), (92, 977795), (98, 917930), (115, 782236), (130, 691978), (140, 642551), (161, 558740), (182, 494270), (196, 458965), (230, 391118), (245, 367172), (260, 345989), (299, 300860), (307, 293020), (322, 279370), (364, 247135), (455, 197708), (460, 195559), (490, 183586), (598, 150430), (614, 146510), (637, 141220), (644, 139685), (805, 111748), (910, 98854), (980, 91793), (1127, 79820), (1196, 75215), (1228, 73255), (1274, 70610), (1495, 60172), (1535, 58604), (1610, 55874), (1820, 49427), (2093, 42980), (2149, 41860), (2254, 39910), (2548, 35305), (2990, 30086), (3070, 29302), (3185, 28244), (3220, 27937), (3991, 22540), (4186, 21490), (4298, 20930), (4508, 19955), (5635, 15964), (5980, 15043), (6140, 14651), (6370, 14122), (7061, 12740), (7982, 11270), (8372, 10745), (8596, 10465)]