204568820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31667}}^1$

素因数の和:31712

約数の個数: 48

約数和(自身を含む): 478820160

約数和(自身を除く): 274251340

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 31667, 63334, 126668, 158335, 316670, 538339, 601673, 633340, 1076678, 1203346, 2153356, 2406692, 2691695, 3008365, 5383390, 6016730, 10228441, 10766780, 12033460, 20456882, 40913764, 51142205, 102284410, 204568820]

約数ペア:

[(1, 204568820), (2, 102284410), (4, 51142205), (5, 40913764), (10, 20456882), (17, 12033460), (19, 10766780), (20, 10228441), (34, 6016730), (38, 5383390), (68, 3008365), (76, 2691695), (85, 2406692), (95, 2153356), (170, 1203346), (190, 1076678), (323, 633340), (340, 601673), (380, 538339), (646, 316670), (1292, 158335), (1615, 126668), (3230, 63334), (6460, 31667)]