198641670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{521}}^1$

素因数の和:781

約数の個数: 64

約数和(自身を含む): 487088640

約数和(自身を除く): 288446970

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 179, 213, 355, 358, 426, 521, 537, 710, 895, 1042, 1065, 1074, 1563, 1790, 2130, 2605, 2685, 3126, 5210, 5370, 7815, 12709, 15630, 25418, 36991, 38127, 63545, 73982, 76254, 93259, 110973, 127090, 184955, 186518, 190635, 221946, 279777, 369910, 381270, 466295, 554865, 559554, 932590, 1109730, 1398885, 2797770, 6621389, 13242778, 19864167, 33106945, 39728334, 66213890, 99320835, 198641670]

約数ペア:

[(1, 198641670), (2, 99320835), (3, 66213890), (5, 39728334), (6, 33106945), (10, 19864167), (15, 13242778), (30, 6621389), (71, 2797770), (142, 1398885), (179, 1109730), (213, 932590), (355, 559554), (358, 554865), (426, 466295), (521, 381270), (537, 369910), (710, 279777), (895, 221946), (1042, 190635), (1065, 186518), (1074, 184955), (1563, 127090), (1790, 110973), (2130, 93259), (2605, 76254), (2685, 73982), (3126, 63545), (5210, 38127), (5370, 36991), (7815, 25418), (12709, 15630)]