355364980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{709}}^1\times {\mathrm{1319}}^1$

素因数の和:2056

約数の個数: 48

約数和(自身を含む): 787248000

約数和(自身を除く): 431883020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 709, 1319, 1418, 2638, 2836, 3545, 5276, 6595, 7090, 13190, 13471, 14180, 25061, 26380, 26942, 50122, 53884, 67355, 100244, 125305, 134710, 250610, 269420, 501220, 935171, 1870342, 3740684, 4675855, 9351710, 17768249, 18703420, 35536498, 71072996, 88841245, 177682490, 355364980]

約数ペア:

[(1, 355364980), (2, 177682490), (4, 88841245), (5, 71072996), (10, 35536498), (19, 18703420), (20, 17768249), (38, 9351710), (76, 4675855), (95, 3740684), (190, 1870342), (380, 935171), (709, 501220), (1319, 269420), (1418, 250610), (2638, 134710), (2836, 125305), (3545, 100244), (5276, 67355), (6595, 53884), (7090, 50122), (13190, 26942), (13471, 26380), (14180, 25061)]