289319460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{253789}}^1$

素因数の和:253820

約数の個数: 48

約数和(自身を含む): 852734400

約数和(自身を除く): 563414940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 253789, 507578, 761367, 1015156, 1268945, 1522734, 2537890, 3045468, 3806835, 4821991, 5075780, 7613670, 9643982, 14465973, 15227340, 19287964, 24109955, 28931946, 48219910, 57863892, 72329865, 96439820, 144659730, 289319460]

約数ペア:

[(1, 289319460), (2, 144659730), (3, 96439820), (4, 72329865), (5, 57863892), (6, 48219910), (10, 28931946), (12, 24109955), (15, 19287964), (19, 15227340), (20, 14465973), (30, 9643982), (38, 7613670), (57, 5075780), (60, 4821991), (76, 3806835), (95, 3045468), (114, 2537890), (190, 1522734), (228, 1268945), (285, 1015156), (380, 761367), (570, 507578), (1140, 253789)]