197886640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{11399}}^1$

素因数の和:11450

約数の個数: 80

約数和(自身を含む): 542822400

約数和(自身を除く): 344935760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 11399, 17360, 22798, 45596, 56995, 79793, 91192, 113990, 159586, 182384, 227980, 319172, 353369, 398965, 455960, 638344, 706738, 797930, 911920, 1276688, 1413476, 1595860, 1766845, 2473583, 2826952, 3191720, 3533690, 4947166, 5653904, 6383440, 7067380, 9894332, 12367915, 14134760, 19788664, 24735830, 28269520, 39577328, 49471660, 98943320, 197886640]

約数ペア:

[(1, 197886640), (2, 98943320), (4, 49471660), (5, 39577328), (7, 28269520), (8, 24735830), (10, 19788664), (14, 14134760), (16, 12367915), (20, 9894332), (28, 7067380), (31, 6383440), (35, 5653904), (40, 4947166), (56, 3533690), (62, 3191720), (70, 2826952), (80, 2473583), (112, 1766845), (124, 1595860), (140, 1413476), (155, 1276688), (217, 911920), (248, 797930), (280, 706738), (310, 638344), (434, 455960), (496, 398965), (560, 353369), (620, 319172), (868, 227980), (1085, 182384), (1240, 159586), (1736, 113990), (2170, 91192), (2480, 79793), (3472, 56995), (4340, 45596), (8680, 22798), (11399, 17360)]