257294700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{21991}}^1$

素因数の和:22024

約数の個数: 108

約数和(自身を含む): 868552048

約数和(自身を除く): 611257348

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 30, 36, 39, 45, 50, 52, 60, 65, 75, 78, 90, 100, 117, 130, 150, 156, 180, 195, 225, 234, 260, 300, 325, 390, 450, 468, 585, 650, 780, 900, 975, 1170, 1300, 1950, 2340, 2925, 3900, 5850, 11700, 21991, 43982, 65973, 87964, 109955, 131946, 197919, 219910, 263892, 285883, 329865, 395838, 439820, 549775, 571766, 659730, 791676, 857649, 989595, 1099550, 1143532, 1319460, 1429415, 1649325, 1715298, 1979190, 2199100, 2572947, 2858830, 3298650, 3430596, 3958380, 4288245, 4947975, 5145894, 5717660, 6597300, 7147075, 8576490, 9895950, 10291788, 12864735, 14294150, 17152980, 19791900, 21441225, 25729470, 28588300, 42882450, 51458940, 64323675, 85764900, 128647350, 257294700]

約数ペア:

[(1, 257294700), (2, 128647350), (3, 85764900), (4, 64323675), (5, 51458940), (6, 42882450), (9, 28588300), (10, 25729470), (12, 21441225), (13, 19791900), (15, 17152980), (18, 14294150), (20, 12864735), (25, 10291788), (26, 9895950), (30, 8576490), (36, 7147075), (39, 6597300), (45, 5717660), (50, 5145894), (52, 4947975), (60, 4288245), (65, 3958380), (75, 3430596), (78, 3298650), (90, 2858830), (100, 2572947), (117, 2199100), (130, 1979190), (150, 1715298), (156, 1649325), (180, 1429415), (195, 1319460), (225, 1143532), (234, 1099550), (260, 989595), (300, 857649), (325, 791676), (390, 659730), (450, 571766), (468, 549775), (585, 439820), (650, 395838), (780, 329865), (900, 285883), (975, 263892), (1170, 219910), (1300, 197919), (1950, 131946), (2340, 109955), (2925, 87964), (3900, 65973), (5850, 43982), (11700, 21991)]