396720304

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{16519}}^1$

素因数の和:16625

約数の個数: 40

約数和(自身を含む): 819392000

約数和(自身を除く): 422671696

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 79, 152, 158, 304, 316, 632, 1264, 1501, 3002, 6004, 12008, 16519, 24016, 33038, 66076, 132152, 264304, 313861, 627722, 1255444, 1305001, 2510888, 2610002, 5021776, 5220004, 10440008, 20880016, 24795019, 49590038, 99180076, 198360152, 396720304]

約数ペア:

[(1, 396720304), (2, 198360152), (4, 99180076), (8, 49590038), (16, 24795019), (19, 20880016), (38, 10440008), (76, 5220004), (79, 5021776), (152, 2610002), (158, 2510888), (304, 1305001), (316, 1255444), (632, 627722), (1264, 313861), (1501, 264304), (3002, 132152), (6004, 66076), (12008, 33038), (16519, 24016)]