209555460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{8887}}^1$

素因数の和:9033

約数の個数: 72

約数和(自身を含む): 640575936

約数和(自身を除く): 431020476

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 131, 180, 262, 393, 524, 655, 786, 1179, 1310, 1572, 1965, 2358, 2620, 3930, 4716, 5895, 7860, 8887, 11790, 17774, 23580, 26661, 35548, 44435, 53322, 79983, 88870, 106644, 133305, 159966, 177740, 266610, 319932, 399915, 533220, 799830, 1164197, 1599660, 2328394, 3492591, 4656788, 5820985, 6985182, 10477773, 11641970, 13970364, 17462955, 20955546, 23283940, 34925910, 41911092, 52388865, 69851820, 104777730, 209555460]

約数ペア:

[(1, 209555460), (2, 104777730), (3, 69851820), (4, 52388865), (5, 41911092), (6, 34925910), (9, 23283940), (10, 20955546), (12, 17462955), (15, 13970364), (18, 11641970), (20, 10477773), (30, 6985182), (36, 5820985), (45, 4656788), (60, 3492591), (90, 2328394), (131, 1599660), (180, 1164197), (262, 799830), (393, 533220), (524, 399915), (655, 319932), (786, 266610), (1179, 177740), (1310, 159966), (1572, 133305), (1965, 106644), (2358, 88870), (2620, 79983), (3930, 53322), (4716, 44435), (5895, 35548), (7860, 26661), (8887, 23580), (11790, 17774)]