197021640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{86413}}^1$

素因数の和:86446

約数の個数: 64

約数和(自身を含む): 622180800

約数和(自身を除く): 425159160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 86413, 172826, 259239, 345652, 432065, 518478, 691304, 864130, 1036956, 1296195, 1641847, 1728260, 2073912, 2592390, 3283694, 3456520, 4925541, 5184780, 6567388, 8209235, 9851082, 10369560, 13134776, 16418470, 19702164, 24627705, 32836940, 39404328, 49255410, 65673880, 98510820, 197021640]

約数ペア:

[(1, 197021640), (2, 98510820), (3, 65673880), (4, 49255410), (5, 39404328), (6, 32836940), (8, 24627705), (10, 19702164), (12, 16418470), (15, 13134776), (19, 10369560), (20, 9851082), (24, 8209235), (30, 6567388), (38, 5184780), (40, 4925541), (57, 3456520), (60, 3283694), (76, 2592390), (95, 2073912), (114, 1728260), (120, 1641847), (152, 1296195), (190, 1036956), (228, 864130), (285, 691304), (380, 518478), (456, 432065), (570, 345652), (760, 259239), (1140, 172826), (2280, 86413)]