204980170

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{5113}}^1$

素因数の和:5350

約数の個数: 32

約数和(自身を含む): 390300480

約数和(自身を除く): 185320310

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 211, 422, 1055, 2110, 4009, 5113, 8018, 10226, 20045, 25565, 40090, 51130, 97147, 194294, 485735, 971470, 1078843, 2157686, 5394215, 10788430, 20498017, 40996034, 102490085, 204980170]

約数ペア:

[(1, 204980170), (2, 102490085), (5, 40996034), (10, 20498017), (19, 10788430), (38, 5394215), (95, 2157686), (190, 1078843), (211, 971470), (422, 485735), (1055, 194294), (2110, 97147), (4009, 51130), (5113, 40090), (8018, 25565), (10226, 20045)]