388978830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{227473}}^1$

素因数の和:227505

約数の個数: 48

約数和(自身を含む): 1064578320

約数和(自身を除く): 675599490

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 570, 855, 1710, 227473, 454946, 682419, 1137365, 1364838, 2047257, 2274730, 3412095, 4094514, 4321987, 6824190, 8643974, 10236285, 12965961, 20472570, 21609935, 25931922, 38897883, 43219870, 64829805, 77795766, 129659610, 194489415, 388978830]

約数ペア:

[(1, 388978830), (2, 194489415), (3, 129659610), (5, 77795766), (6, 64829805), (9, 43219870), (10, 38897883), (15, 25931922), (18, 21609935), (19, 20472570), (30, 12965961), (38, 10236285), (45, 8643974), (57, 6824190), (90, 4321987), (95, 4094514), (114, 3412095), (171, 2274730), (190, 2047257), (285, 1364838), (342, 1137365), (570, 682419), (855, 454946), (1710, 227473)]