997110880

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{283}}^1$

素因数の和:397

約数の個数: 144

約数和(自身を含む): 2535868944

約数和(自身を除く): 1538758064

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 61, 76, 80, 95, 122, 152, 160, 190, 244, 283, 304, 305, 361, 380, 488, 566, 608, 610, 722, 760, 976, 1132, 1159, 1220, 1415, 1444, 1520, 1805, 1952, 2264, 2318, 2440, 2830, 2888, 3040, 3610, 4528, 4636, 4880, 5377, 5660, 5776, 5795, 7220, 9056, 9272, 9760, 10754, 11320, 11552, 11590, 14440, 17263, 18544, 21508, 22021, 22640, 23180, 26885, 28880, 34526, 37088, 43016, 44042, 45280, 46360, 53770, 57760, 69052, 86032, 86315, 88084, 92720, 102163, 107540, 110105, 138104, 172064, 172630, 176168, 185440, 204326, 215080, 220210, 276208, 327997, 345260, 352336, 408652, 430160, 440420, 510815, 552416, 655994, 690520, 704672, 817304, 860320, 880840, 1021630, 1311988, 1381040, 1634608, 1639985, 1761680, 2043260, 2623976, 2762080, 3269216, 3279970, 3523360, 4086520, 5247952, 6231943, 6559940, 8173040, 10495904, 12463886, 13119880, 16346080, 24927772, 26239760, 31159715, 49855544, 52479520, 62319430, 99711088, 124638860, 199422176, 249277720, 498555440, 997110880]

約数ペア:

[(1, 997110880), (2, 498555440), (4, 249277720), (5, 199422176), (8, 124638860), (10, 99711088), (16, 62319430), (19, 52479520), (20, 49855544), (32, 31159715), (38, 26239760), (40, 24927772), (61, 16346080), (76, 13119880), (80, 12463886), (95, 10495904), (122, 8173040), (152, 6559940), (160, 6231943), (190, 5247952), (244, 4086520), (283, 3523360), (304, 3279970), (305, 3269216), (361, 2762080), (380, 2623976), (488, 2043260), (566, 1761680), (608, 1639985), (610, 1634608), (722, 1381040), (760, 1311988), (976, 1021630), (1132, 880840), (1159, 860320), (1220, 817304), (1415, 704672), (1444, 690520), (1520, 655994), (1805, 552416), (1952, 510815), (2264, 440420), (2318, 430160), (2440, 408652), (2830, 352336), (2888, 345260), (3040, 327997), (3610, 276208), (4528, 220210), (4636, 215080), (4880, 204326), (5377, 185440), (5660, 176168), (5776, 172630), (5795, 172064), (7220, 138104), (9056, 110105), (9272, 107540), (9760, 102163), (10754, 92720), (11320, 88084), (11552, 86315), (11590, 86032), (14440, 69052), (17263, 57760), (18544, 53770), (21508, 46360), (22021, 45280), (22640, 44042), (23180, 43016), (26885, 37088), (28880, 34526)]